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
151	(Phoenician Empire)	Full Year Range of Phoenician Empire is assumed. [-1200, -332]	absent	None
152	(Songhai Empire - Askiya Dynasty)	Full Year Range of Songhai Empire - Askiya Dynasty is assumed. [1493, 1591]	present	None
153	(Rouran Khaganate)	Full Year Range of Rouran Khaganate is assumed. [300, 555]	unknown	None
154	(Second Turk Khaganate)	Full Year Range of Second Turk Khaganate is assumed. [682, 744]	unknown	None
155	(Banu Ghaniya)	Full Year Range of Banu Ghaniya is assumed. [1126, 1227]	unknown	None
156	(Xianbei Confederation)	Full Year Range of Xianbei Confederation is assumed. [100, 250]	unknown	None
157	(Late Xiongnu)	Full Year Range of Late Xiongnu is assumed. [-60, 100]	unknown	None
158	(Xiongnu Imperial Confederation)	Full Year Range of Xiongnu Imperial Confederation is assumed. [-209, -60]	unknown	None
159	(Zungharian Empire)	Full Year Range of Zungharian Empire is assumed. [1670, 1757]	unknown	None
160	(Southern Song)	Full Year Range of Southern Song is assumed. [1127, 1279]	present	None

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