the answer is: d.was primarily concerned with westward expansion and internal problems.
At that time, the plan for westward expansion created internal debate among different groups in united states since it require large amount of investments and could bankrupt the whole country if it failed.
Because of this huge risks, united states' attention was taken mostly by this issue, to the point where we could not seriously be involved in overseas expansion.
The North Atlantic Treaty Organization was created in 1949 by the United States, Canada, and several Western European nations to provide collective security against the Soviet Union. NATO was the first peacetime military alliance the United States entered into outside of the Western Hemisphere.
the correct answer is the Greeks (by the time of Ancient Greece)
hope I helped !
In the period of industrialization, it was easier to harvest crops so supply went up and demand stayed the same causing prices to drop. The "newly" freed slaves also started farming, increasing the supply.
