Section: Social Complexity

Subsection: Transport infrastructure

Canal

Talking about transport infrastructure, canals refers to canals built and/or maintained by the polity (that is, code 'present' even if the polity did not build a canal, but devotes resources to maintaining it). (See here)

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Variable	Definition
Polity	The Seshat Polity ID
Year(s)	The years for which we have the data. [negative = BCE]
Tag	[Evidenced, Disputed, Suspected, Inferred, Unknown]
Verified	A Seshat Expert has approved this piece of data.

Variable	Definition
canal	The absence or presence of canal for a polity.

Actual Data:

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#	Polity	Year(s)	Canal	Description	Edit
291	(Heian)	Full Year Range of Heian is assumed. [794, 1185]	present	None
292	(Kamakura Shogunate)	Full Year Range of Kamakura Shogunate is assumed. [1185, 1333]	present	None
293	(Nara Kingdom)	Full Year Range of Nara Kingdom is assumed. [710, 794]	present	None
294	(Kansai - Yayoi Period)	Full Year Range of Kansai - Yayoi Period is assumed. [-300, 250]	absent	None
295	(Classical Angkor)	Full Year Range of Classical Angkor is assumed. [1100, 1220]	present	None
296	(Early Angkor)	Full Year Range of Early Angkor is assumed. [802, 1100]	present	None
297	(Late Angkor)	Full Year Range of Late Angkor is assumed. [1220, 1432]	present	None
298	(Khmer Kingdom)	Full Year Range of Khmer Kingdom is assumed. [1432, 1594]	present	None
299	(Chenla)	Full Year Range of Chenla is assumed. [550, 825]	present	None
300	(Kingdom of Hawaii - Post-Kamehameha Period)	Full Year Range of Kingdom of Hawaii - Post-Kamehameha Period is assumed. [1820, 1898]	absent	Maritime transportation: Given the island geography, ocean routes were the primary mode of long-distance transport for goods and people. [Daws 1997]

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