It varies quite a bit. Pretty damn accurate compared to most popular entertainment: but enough deviations to throw off a major history buff.
then, What does SAP mean in Rome Total War?
Sapping is a term used in siege operations to describe the digging of a covered trench (a “sap”) to approach a besieged place without danger from the enemy’s fire. … Once the saps were close enough, siege engines or cannon could be moved through the trenches to get closer to—and enable firing at—the fortification.
hence,
indeed
and
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