Hello there,
Your correct answer would be: <span>A) "an irrigation system"
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My explanation: They were using wells and a underground pipeway connecting them to a local water table, ancient cultures were able to readily collect water from their wells.
The name of the two "top secret" documents that exposed the US activities in Vietnam were B, the Pentagon Papers.
Force US merchants to produce and market goods in a lower price, and to raise the quality. Once they do this, advertise it as nationalism, and tell the general public that buying the US products was better than buying British. After all, many, if they could, would rather buy US products (because of nativism) and would want little to do with Britain
hope this helps