C. Both A and B is the correct answer
President Truman fired General MacArthur for insubordination. Although Truman was committed to waging a limited war in Korea, preferring to negotiate with China and North Korea rather than expand hostilities, MacArthur openly disagreed with the president and threatened to attack China if it did not agree to terms of peace.
Nixon aides responded to the siege mentality in the White House by: <span>Wiretapping the FBI's telephones
Siege mentality refers to a mental conditioning that believe someone in our group will be hostile toward us. The FBI's telephone wiretapping is conducted to find out potential white house members that they they're hostile to him.</span>
Answer -
The Truman Doctrine was basically a shot at the Soviet Communism and how it wasn't right, so this obviously angered the Soviets. The Doctrine caused a divide between the communists and non-communists, which did indeed grow tension between America and the Soviet Union which eventually would lead to the Cold War.
