Section: Social Complexity

Subsection: Specialized Buildings

Irrigation System

irrigation systems are polity owned (which includes owned by the community, or the state), no Descriptions IN Codebook (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
irrigation_system	The absence or presence of irrigation system for a polity.

Actual Data:

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#	Polity	Year(s)	Irrigation System	Description	Edit
41	(Anurādhapura III)	Full Year Range of Anurādhapura III is assumed. [428, 614]	present	None
42	(Napoleonic France)	Full Year Range of Napoleonic France is assumed. [1816, 1870]	present	None
43	(Kingdom of the Huns)	Full Year Range of Kingdom of the Huns is assumed. [376, 469]	absent	None
44	(Plantagenet England)	Full Year Range of Plantagenet England is assumed. [1154, 1485]	unknown	None
45	(Lombard Kingdom)	Full Year Range of Lombard Kingdom is assumed. [568, 774]	unknown	None
46	(England Tudor-Stuart)	Full Year Range of England Tudor-Stuart is assumed. [1486, 1689]	unknown	None
47	(Austria - Habsburg Dynasty II)	Full Year Range of Austria - Habsburg Dynasty II is assumed. [1649, 1918]	present	None
48	(Toltecs)	Full Year Range of Toltecs is assumed. [900, 1199]	unknown	None
49	(Ottoman Empire IV)	Full Year Range of Ottoman Empire IV is assumed. [1839, 1922]	present	Irrigation systems, such as canals and aqueducts, were managed by local communities or provincial authorities. [Mikhail 2010]
50	(Sharqi)	Full Year Range of Sharqi is assumed. [1394, 1479]	present	None

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