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
51
(Early Qing)
Full Year Range of Early Qing is assumed.
[1644, 1796]
present
None
52
(Tang Dynasty I)
Full Year Range of Tang Dynasty I is assumed.
[617, 763]
present
None
53
(Western Zhou)
Full Year Range of Western Zhou is assumed.
[-1122, -771]
present
None
54
(Great Yuan)
Full Year Range of Great Yuan is assumed.
[1271, 1368]
present
None
55
(Ayyubid Sultanate)
Full Year Range of Ayyubid Sultanate is assumed.
[1171, 1250]
present
None
56
(Egypt - Mamluk Sultanate I)
Full Year Range of Egypt - Mamluk Sultanate I is assumed.
[1260, 1348]
present
None
57
(Egypt - Mamluk Sultanate III)
Full Year Range of Egypt - Mamluk Sultanate III is assumed.
[1412, 1517]
present
None
58
(Egypt - New Kingdom Ramesside Period)
Full Year Range of Egypt - New Kingdom Ramesside Period is assumed.
[-1293, -1070]
present
None
59
(Ptolemaic Kingdom I)
Full Year Range of Ptolemaic Kingdom I is assumed.
[-305, -217]
unknown
None
60
(Peiligang)
Full Year Range of Peiligang is assumed.
[-7000, -5001]
unknown
None
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