Answer:
A. Desire to find gold
Explanation:
The biggest motivation for the colonization/exploration of the Americas was the desire to find gold. At that time maritime trade was booming and gold was the standard currency and the most valuable. Also just like in every era power came with money which most wished to obtain. This led European explorers to set out in search for unclaimed gold mines for wealth and power.
A) Did not allow them to settle west of the Appalachian mountains.
This is was signed in to prevent wars and to stop attacks on colonists.
The Pentagon Papers revealed that the Harry S. Truman administration gave military support to France against the Communist led Viet Minh, which directly involved the United States in the Vietnam War.