A viewset for viewing and editing Modern Fortifications.

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                "name": "fm_truk_1",
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                "end_year": 1886
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            "polity": {
                "id": 58,
                "name": "fm_truk_2",
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                "end_year": 1948
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                "end_year": -1000
            },
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            "year_to": null,
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            "is_disputed": false,
            "is_uncertain": false,
            "name": "Modern_fortification",
            "modern_fortification": "absent",
            "comment": null,
            "description": " Not mentioned in the literature.<br>"
        },
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            "id": 64,
            "polity": {
                "id": 447,
                "name": "fr_beaker_eba",
                "long_name": "Beaker Culture",
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                "end_year": -2000
            },
            "year_from": null,
            "year_to": null,
            "tag": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Modern_fortification",
            "modern_fortification": "absent",
            "comment": null,
            "description": " Not mentioned in the literature.<br>"
        },
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            "id": 65,
            "polity": {
                "id": 460,
                "name": "fr_bourbon_k_1",
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            },
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            "is_uncertain": false,
            "name": "Modern_fortification",
            "modern_fortification": "present",
            "comment": null,
            "description": " Fortifications at Brouage. §REF§(Ladurie 1991, 80)§REF§"
        },
        {
            "id": 66,
            "polity": {
                "id": 461,
                "name": "fr_bourbon_k_2",
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                "end_year": 1815
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
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            "is_uncertain": false,
            "name": "Modern_fortification",
            "modern_fortification": "present",
            "comment": null,
            "description": " Vauban's fortifications. §REF§(Briggs 1998, 141)§REF§ Very costly to maintain.§REF§(Parrott 2012, 63) David Parrott. Armed Forces. William Doyle. ed. 2012. The Oxford Handbook of the Ancien Régime. Oxford University Press. Oxford.§REF§"
        },
        {
            "id": 67,
            "polity": {
                "id": 457,
                "name": "fr_capetian_k_1",
                "long_name": "Proto-French Kingdom",
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                "end_year": 1150
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
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            "is_uncertain": false,
            "name": "Modern_fortification",
            "modern_fortification": "absent",
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            "description": null
        },
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            "id": 68,
            "polity": {
                "id": 458,
                "name": "fr_capetian_k_2",
                "long_name": "French Kingdom - Late Capetian",
                "start_year": 1150,
                "end_year": 1328
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Modern_fortification",
            "modern_fortification": "absent",
            "comment": null,
            "description": null
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            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Modern_fortification",
            "modern_fortification": "absent",
            "comment": null,
            "description": " David Baker says absent.§REF§David Baker. Personal communication to Seshat Databank.§REF§"
        },
        {
            "id": 70,
            "polity": {
                "id": 311,
                "name": "fr_carolingian_emp_2",
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            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Modern_fortification",
            "modern_fortification": "absent",
            "comment": null,
            "description": " David Baker says absent.§REF§David Baker. Personal communication to Seshat Databank.§REF§"
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            },
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            "name": "Modern_fortification",
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            "comment": null,
            "description": " Not mentioned in the literature.<br>"
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            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Modern_fortification",
            "modern_fortification": "absent",
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            "description": " Not mentioned in the literature.<br>"
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            "is_uncertain": false,
            "name": "Modern_fortification",
            "modern_fortification": "absent",
            "comment": null,
            "description": " Not mentioned in the literature.<br>"
        },
        {
            "id": 74,
            "polity": {
                "id": 452,
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            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Modern_fortification",
            "modern_fortification": "absent",
            "comment": null,
            "description": " Not mentioned in the literature."
        },
        {
            "id": 75,
            "polity": {
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                "name": "fr_merovingian_emp_1",
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            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Modern_fortification",
            "modern_fortification": "absent",
            "comment": null,
            "description": "Not discussed in consulted literature RA."
        },
        {
            "id": 76,
            "polity": {
                "id": 456,
                "name": "fr_merovingian_emp_3",
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            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Modern_fortification",
            "modern_fortification": "absent",
            "comment": null,
            "description": "Not discussed in consulted literature RA.<br>"
        },
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            "id": 77,
            "polity": {
                "id": 306,
                "name": "fr_merovingian_emp_2",
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                "end_year": 687
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Modern_fortification",
            "modern_fortification": "absent",
            "comment": null,
            "description": "Not discussed in consulted literature RA.<br>"
        },
        {
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                "end_year": -325
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Modern_fortification",
            "modern_fortification": "absent",
            "comment": null,
            "description": "Not mentioned in the literature."
        },
        {
            "id": 79,
            "polity": {
                "id": 454,
                "name": "fr_la_tene_b2_c1",
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                "end_year": -175
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Modern_fortification",
            "modern_fortification": "absent",
            "comment": null,
            "description": " Not mentioned in the literature."
        },
        {
            "id": 80,
            "polity": {
                "id": 455,
                "name": "fr_la_tene_c2_d",
                "long_name": "La Tene C2-D",
                "start_year": -175,
                "end_year": -27
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Modern_fortification",
            "modern_fortification": "absent",
            "comment": null,
            "description": "Not mentioned in the literature RA."
        },
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            "id": 81,
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                "id": 333,
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                "long_name": "French Kingdom - Early Valois",
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                "end_year": 1450
            },
            "year_from": null,
            "year_to": null,
            "tag": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Modern_fortification",
            "modern_fortification": "present",
            "comment": null,
            "description": " \"Castle architecture became increasingly complex from the 12th to 13th centuries. ... All of these precautions became obsolete with the widespread use of gunpowder in the 14th and 15th centuries, and castles became simply country residences for the nobility.\"§REF§(Jesse 1995, 181) Scott Jesse. Castles. William W Kibler. Grover A Zinn. Lawrence Earp. John Bell Henneman Jr. 1995. Routledge Revivals: Medieval France (1995): An Encyclopedia. Routledge. Abingdon.§REF§<br>"
        },
        {
            "id": 82,
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                "id": 459,
                "name": "fr_valois_k_2",
                "long_name": "French Kingdom - Late Valois",
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                "end_year": 1589
            },
            "year_from": null,
            "year_to": null,
            "tag": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Modern_fortification",
            "modern_fortification": "present",
            "comment": null,
            "description": " \"Castle architecture became increasingly complex from the 12th to 13th centuries. ... All of these precautions became obsolete with the widespread use of gunpowder in the 14th and 15th centuries, and castles became simply country residences for the nobility.\"§REF§(Jesse 1995, 181) Scott Jesse. Castles. William W Kibler. Grover A Zinn. Lawrence Earp. John Bell Henneman Jr. 1995. Routledge Revivals: Medieval France (1995): An Encyclopedia. Routledge. Abingdon.§REF§"
        },
        {
            "id": 83,
            "polity": {
                "id": 587,
                "name": "gb_british_emp_1",
                "long_name": "British Empire I",
                "start_year": 1690,
                "end_year": 1849
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            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Modern_fortification",
            "modern_fortification": "present",
            "comment": null,
            "description": ""
        },
        {
            "id": 84,
            "polity": {
                "id": 113,
                "name": "gh_akan",
                "long_name": "Akan - Pre-Ashanti",
                "start_year": 1501,
                "end_year": 1701
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Modern_fortification",
            "modern_fortification": "absent",
            "comment": null,
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        },
        {
            "id": 85,
            "polity": {
                "id": 114,
                "name": "gh_ashanti_emp",
                "long_name": "Ashanti Empire",
                "start_year": 1701,
                "end_year": 1895
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Modern_fortification",
            "modern_fortification": "absent",
            "comment": null,
            "description": null
        },
        {
            "id": 86,
            "polity": {
                "id": 67,
                "name": "gr_crete_archaic",
                "long_name": "Archaic Crete",
                "start_year": -710,
                "end_year": -500
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Modern_fortification",
            "modern_fortification": "absent",
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            "description": null
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        {
            "id": 87,
            "polity": {
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                "name": "gr_crete_classical",
                "long_name": "Classical Crete",
                "start_year": -500,
                "end_year": -323
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            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Modern_fortification",
            "modern_fortification": "absent",
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            "description": null
        },
        {
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                "id": 65,
                "name": "gr_crete_post_palace_2",
                "long_name": "Final Postpalatial Crete",
                "start_year": -1200,
                "end_year": -1000
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
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            "is_uncertain": false,
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                "name": "gr_crete_geometric",
                "long_name": "Geometric Crete",
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                "end_year": -710
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            "year_to": null,
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            "modern_fortification": "absent",
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        },
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                "id": 69,
                "name": "gr_crete_hellenistic",
                "long_name": "Hellenistic Crete",
                "start_year": -323,
                "end_year": -69
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
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            "name": "Modern_fortification",
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                "id": 63,
                "name": "gr_crete_mono_palace",
                "long_name": "Monopalatial Crete",
                "start_year": -1450,
                "end_year": -1300
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            "is_disputed": false,
            "is_uncertain": false,
            "name": "Modern_fortification",
            "modern_fortification": "absent",
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            "description": null
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            "polity": {
                "id": 59,
                "name": "gr_crete_nl",
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                "start_year": -7000,
                "end_year": -3000
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            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Modern_fortification",
            "modern_fortification": "absent",
            "comment": null,
            "description": null
        },
        {
            "id": 93,
            "polity": {
                "id": 62,
                "name": "gr_crete_new_palace",
                "long_name": "New Palace Crete",
                "start_year": -1700,
                "end_year": -1450
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Modern_fortification",
            "modern_fortification": "absent",
            "comment": null,
            "description": null
        },
        {
            "id": 94,
            "polity": {
                "id": 61,
                "name": "gr_crete_old_palace",
                "long_name": "Old Palace Crete",
                "start_year": -1900,
                "end_year": -1700
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Modern_fortification",
            "modern_fortification": "absent",
            "comment": null,
            "description": null
        },
        {
            "id": 95,
            "polity": {
                "id": 64,
                "name": "gr_crete_post_palace_1",
                "long_name": "Postpalatial Crete",
                "start_year": -1300,
                "end_year": -1200
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Modern_fortification",
            "modern_fortification": "absent",
            "comment": null,
            "description": null
        },
        {
            "id": 96,
            "polity": {
                "id": 60,
                "name": "gr_crete_pre_palace",
                "long_name": "Prepalatial Crete",
                "start_year": -3000,
                "end_year": -1900
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Modern_fortification",
            "modern_fortification": "absent",
            "comment": null,
            "description": null
        },
        {
            "id": 97,
            "polity": {
                "id": 17,
                "name": "us_hawaii_1",
                "long_name": "Hawaii I",
                "start_year": 1000,
                "end_year": 1200
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Modern_fortification",
            "modern_fortification": "absent",
            "comment": null,
            "description": " Inferred§REF§Kuykendall, Ralph S. 1968[1938]. The Hawaiian Kingdom, Volume 1: 1778-1854, Foundation and Transformation. Honolulu: University of Hawaii Press.§REF§"
        },
        {
            "id": 98,
            "polity": {
                "id": 18,
                "name": "us_hawaii_2",
                "long_name": "Hawaii II",
                "start_year": 1200,
                "end_year": 1580
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Modern_fortification",
            "modern_fortification": "absent",
            "comment": null,
            "description": " Inferred§REF§Kuykendall, Ralph S. 1968[1938]. The Hawaiian Kingdom, Volume 1: 1778-1854, Foundation and Transformation. Honolulu: University of Hawaii Press.§REF§"
        },
        {
            "id": 99,
            "polity": {
                "id": 19,
                "name": "us_hawaii_3",
                "long_name": "Hawaii III",
                "start_year": 1580,
                "end_year": 1778
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Modern_fortification",
            "modern_fortification": "absent",
            "comment": null,
            "description": "§REF§Kuykendall, Ralph S. 1968[1938]. The Hawaiian Kingdom, Volume 1: 1778-1854, Foundation and Transformation. Honolulu: University of Hawaii Press.§REF§"
        },
        {
            "id": 100,
            "polity": {
                "id": 153,
                "name": "id_iban_1",
                "long_name": "Iban - Pre-Brooke",
                "start_year": 1650,
                "end_year": 1841
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Modern_fortification",
            "modern_fortification": "absent",
            "comment": null,
            "description": null
        }
    ]
}