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)
Contributors:

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.

# Polity Year(s) Canal Description   Edit
221
(Longshan)
Full Year Range of Longshan is assumed.
[-3000, -1900]
present
None
222
(Great Ming)
Full Year Range of Great Ming is assumed.
[1368, 1644]
present
None
223
(Early Qing)
Full Year Range of Early Qing is assumed.
[1644, 1796]
present
None
224
(Late Qing)
Full Year Range of Late Qing is assumed.
[1796, 1912]
present
None
225
(Sui Dynasty)
Full Year Range of Sui Dynasty is assumed.
[581, 618]
present
None
226
(Western Han Empire)
Full Year Range of Western Han Empire is assumed.
[-202, 9]
present
None
227
(Western Zhou)
Full Year Range of Western Zhou is assumed.
[-1122, -771]
present
None
228
(Yangshao)
Full Year Range of Yangshao is assumed.
[-5000, -3000]
unknown
None
229
(Great Yuan)
Full Year Range of Great Yuan is assumed.
[1271, 1368]
present
None
230
(Badarian)
Full Year Range of Badarian is assumed.
[-4400, -3800]
unknown
None
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