Section: Social Complexity

Subsection: Specialized Buildings

Irrigation System

Talking about specialized buildings, 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
21	(Late A'chik)	Full Year Range of Late A'chik is assumed. [1867, 1956]	absent	None
22	(Anurādhapura III)	Full Year Range of Anurādhapura III is assumed. [428, 614]	present	None
23	(Eastern Han Empire)	Full Year Range of Eastern Han Empire is assumed. [25, 220]	present	None
24	(Erlitou)	Full Year Range of Erlitou is assumed. [-1850, -1600]	unknown	None
25	(Jin)	Full Year Range of Jin is assumed. [-780, -404]	present	None
26	(Jin Dynasty)	Full Year Range of Jin Dynasty is assumed. [1115, 1234]	present	None
27	(Great Ming)	Full Year Range of Great Ming is assumed. [1368, 1644]	present	None
28	(Napoleonic France)	Full Year Range of Napoleonic France is assumed. [1816, 1870]	present	None
29	(Kingdom of the Huns)	Full Year Range of Kingdom of the Huns is assumed. [376, 469]	absent	None
30	(Late Qing)	Full Year Range of Late Qing is assumed. [1796, 1912]	present	None

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