Answer: I think the answer is B
Explanation:
Answer:
Great Plains.
Explanation:
The final settlement of United States occurred around 1840's and lasted till the 1980's. It included the regions of the Great Plains and the Rocky Mountains.
During this period, the news of gold attracted many citizens towards the region. Many immigrants from Europe moved into the west because of the availability of large lands for farming, mines, etc.
Also, the government encouraged its citizens to settle in these regions by introducing various bills and amenities like the Homestead Act of 1862.
Answer:
Truman Doctrine
Explanation:
The Truman Doctrine was an American policy that stated as its purpose to counter the expansion of communism during the Cold War. During this time period, the United States was engaged in an ideological conflict with the Soviet Union, with their corresponding ideologies (capitalism and communism) being spread all over the world. The doctrine established that the United States would provide financial aid to support the countries that were threatened by the expansion of Soviet communism.
