The perception that the president is the primary actor in foreign policy is mostly a result of

The perception that the president is the primary actor in foreign policy is mostly a result of
 
  a. World War II and the dawn of the Cold War.
  b. the Vietnam War.
  c. the 1991 Gulf War.
  d. the Civil War.

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Historical approaches to international relations stressed
 
  a. dialectical materialism. c. comparability.
  b. ethical and moral issues. d. description of unique events.

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During what time period did power over foreign policy decisions shift most decisively from Congress to the executive branch?
 
  a. Following World War II c. Following the end of the Cold War
  b. Following the Vietnam war d. Following the Cuban Missile Crisis

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Which group of scholars believes that scientific objectivity is NOT achievable in social science?
 
  a. Reflectivists c. Radicals
  b. Constructivists d. Rationalists

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During what time period was there a noticeable decline in the president's ability to dominate the foreign policy agenda?
 
  a. Following World War II c. Following the end of the Cold War
  b. Following the Vietnam war d. Following the Cuban Missile Crisis