<span>The answer is B
The new agreement helped big business by reducing the power of unions in the United States. In particular, it meant that trade unions could no longer demand that only trade unionists be hired by companies, or participate in secondary boycotts of companies that sold or manipulated non-union goods.
A. The 1956 National Interstate and Defense Highway Law
B. The Taft-Hartley Act of 1947
C. The 1944 Officer Readjustment Act
D. The William Levitt Act of 1958</span>
The correct answer is B i jus took this test lol
Answer:
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Explanation:
The answer may be the underground railroad.
The correct answer is C) the communist takeover in Cuba in 1959.
The event that represented a threat to U.S. national security interests during the 1950s was the communist takeover in Cuba in 1959.
The Soviet Union presence in Cuba, supporting the leadership of Cuban leader Fidel Castro, represented a threat to U.S. national security interests in the region. Cuba is so close to the Florida peninsula, and the presence of the Soviet Union on the island of Cuba worried the US government so much. This was one of the tensest moments between the United States and the Soviet Union during the Cold War years.