Section: Warfare Variables
Subsection: Military Technologies Fortifications

Ditch

The absence or presence of ditch as a military technology used in warfare.  

Kostis Christakis, Veronica Walker, Samantha Holder, Alicja Piślewska, Daniel Mullins, Artur Butkiewicz, Malwina Brachmanska, William Farrell, Edward A L Turner, PT, Kiran Basava, Marika Michalak, Jill Levine, Cesaretti, Aleksandra Neumannn, Alice Williams, Stephen Dean, Robert Harding, Marika Wałęga, Dan Hoyer, Marta Bartkowiak, Sal Witshire, Agathe Dupeyron, Katheriin Liibert, Giulia Nazzaro, Jedrzej Hordecki, PF, Robert Ross, Thomas Cressy, Rosalind Purcell, Agathe Dupreyon, RC, Agnieszka Marta Duda, Emilia Tomicka, Po-Ju Tuan, Katarzyna Harabasz, Eva Brandl, AP, Jenny Reddish, Natalia Szych, Enrico Cioni, Peter Rudiak-Gould, Alec Vulfson, Lottie Field, Hugh Bennett, Kalin Bullman, Gréine Jordan, Katarzyna Mich.

Variable Definition
Polity The Seshat Polity Name
Year(s) The years for which we have the data. [negative = BCE]
Confidence Inferred : The value is inferred.
Suspected : The value is suspected (Expert Check Needed).
Evidenced : The value is backed up by sufficient evidence.
Disputed? No : No disagreement among scholars.
Yes : There is disagreement among scholars.
Expert? : Not yet Checked by a Seshat Expert.
: Checked and accepted by a Seshat Expert (or RA).

Variable Definition Choices
ditch The absence or presence of ditch for a polity. - present
- absent
- unknown
- Transitional (Absent -> Present)
- Transitional (Present -> Absent)

# Polity Year(s) Ditch Description   Edit
261
(Elam - Awan Dynasty I)
Full Year Range of Elam - Awan Dynasty I is assumed.
[-2675, -2100]
unknown
None
262
(Elam - Crisis Period)
Full Year Range of Elam - Crisis Period is assumed.
[-1100, -900]
unknown
None
263
(Formative Period)
Full Year Range of Formative Period is assumed.
[-7200, -7000]
unknown
None
264
(Susiana A)
Full Year Range of Susiana A is assumed.
[-6000, -5700]
unknown
None
265
(Elam - Igihalkid Period)
Full Year Range of Elam - Igihalkid Period is assumed.
[-1399, -1200]
unknown
None
266
(Elam - Shutrukid Period)
Full Year Range of Elam - Shutrukid Period is assumed.
[-1199, -1100]
unknown
None
267
(Elam I)
Full Year Range of Elam I is assumed.
[-900, -744]
unknown
None
268
(Elam II)
Full Year Range of Elam II is assumed.
[-743, -647]
unknown
None
269
(Parthian Empire I)
Full Year Range of Parthian Empire I is assumed.
[-247, 40]
present
None
270
(Parthian Empire II)
Full Year Range of Parthian Empire II is assumed.
[41, 226]
present
None
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