The answer in C the Great Wall of China
Like many nomadic pastoral cultures, the Mongols had a segmentary society, originally organized into a hierarchy of families, clans, tribes, and confederations. While social classes including nobility, herders, artisans, and slaves existed, the social structure was not completely rigid and social mobility was possible.
A parish/borough is also a county.
Open primaries are where voters don't have to declare party affiliation.
Closed primaries are for affiliated party members.
Technology affect Aryan trade because it make their production more efficient and it provide various transportation methods for the trade.
Technology affect Aryan warfare by developing more advanced weapons that they could use in their warfare.
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