B most likely I learned this yesterday but forgot I think its correct but we have Google for these questions
Containment was a United States policy using numerous strategies to prevent the spread of communism abroad. A component of the Cold War, this policy was a response to a series of moves by the Soviet Union to enlarge its communist sphere of influence in Eastern Europe, China, Korea, and Vietnam.
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Though the Amendment abolished slavery throughout the United States, some Black Americans, particularly in the South, were subjected to other forms of involuntary labor, such as under the Black Codes, as well as subjected to white supremacist violence, and selective enforcement of statutes, besides other disabilities.
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Bell Trade Act, formally Philippine Trade Act of 1946, an act passed by the U.S. Congress specifying the economic conditions governing the emergence of the Republic of the Philippines from U.S. rule; the act included controversial provisions that tied the Philippine economy to that of the United States.
Since the main economic activities revolve around the NASA's space center because of the quantity of people it attracts and works there, once the facilities are closed you can predict their average household income shall decrease because there will not be as many people around anymore. This has happened in other cases with petroleum companies, many towns have formed around their facilities and once they move the towns have to face a big income decrease.
