We need an ans that clearly says it was under control of C
A) Diplomatic correspondence addressed to local governors, written in the official script of Empire X’s royal chancery, commanding the enforcement of tax laws specific to Empire X’s legal code.
Yes keep - no ambiguity
B) A cache of ceramics adorned with motifs traditionally associated with Empire Y’s religious ceremonies, fashioned from locally sourced clay.
Evidence for Empire Y, Eliminate
C) Copper coins minted in Empire X’s style but frequently found in distant trade hubs, suggesting a common maritime currency.
Ambiguous Evidence, Eliminate
D) Structural reinforcements in the city’s harbor identical to those used in many ports of Empire Y, introduced several decades earlier due to widespread engineering manuals.
Evidence for Empire Y, Eliminate
E) Sealed amphorae containing spices known to have been imported from Empire X’s inland regions, found in other neutral trading outposts as well.
Ambiguous Evidence, Eliminate