1- The correct answer is D. The region that contained the most Russian missile sites in Cuba during the Cuban Missile Crisis was Pinar del Rio, as the majority of Russian Missile were located in the northwest coast of the island.
2- The correct answer is D. In Cuba, Soviet tank units were deployed in the ports of Havana and Cienfuegos.
The USSR also used the radioelectronic intelligence center in Lourdes (south of Havana), set up in 1967 and located 250 kilometers from the United States, which allowed the interception of radio data in almost all American territory.
3- The correct answer is A. The Line of Demarcation was established near the 38th Parallel because it divided Korea into two equal halves.
After Japan's surrender in World War II in 1945, the parallel was established as the boundary between the Soviet (North) and American (South) occupation zones. The parallel divided the Korean peninsula approximately in half. In 1948 the line became the border between the two newly created nations; South Korea and North Korea.
4- The correct answer is B, Central America.
The Good Neighbor Policy was a political initiative created and presented by the Franklin D. Roosevelt's administration in the framework of the 7th Pan American Conference in December 1933 regarding its relations with Latin America during the 1933- 1945, when the intervention of the United States in the internal affairs of the Latin American countries was appeasing (the United States had openly invaded several countries of the region in the first years of the 20th century, such as Cuba, Mexico, Haiti, Panama, the Dominican Republic or Nicaragua. ).
5- The correct answer is D. Cuba was a serious threat to the United States during the Cold War because its proximity to the American territory made it possible for large-scale missile attacks. Cuba is only 93 miles far away from Florida, so it constituted a great menace during the Cold War.