The United States has a dual system of justice

The idea that there must be a winner and a loser and that one state's gain is another state's loss is most consistent with

A) additive sum. B) incalculable sum. C) negative sum. D) positive sum. E) zero sum.

Which of the following demonstrated a strength of the Soviet Union’s secret and tightly held foreign policy process?

a. Stalin’s ability to quickly sign the nonaggression pact with Hitler b. Stalin’s Berlin blockade c. Hitler’s attack on the Soviet Union d. The result of negotiations at the Yalta Conference