2. B. Congress plays a larger role than the president in crisis situations .
2. D.. Congress has the authority to declare war .
3. B. Containment
4. B. Mutually assured destruction
Explanation:
American has been the hegemon of world politics since World War I event when the United States enter the World War I and fight from the side of Allied powers. Congress plays a greater role than the president in crisis situations because Congress has the power to take decisions in the crises situation such as declaring war. Containment is the foreign policy strategy used by Switzerland to become a neutral. Mutually assured destruction prevented nuclear war between the United States and the Soviet Union during the Cold War.
