. If a researcher is examining the relationship between X and Y but finds that the relationship dissipates when controlling for Z it means the relationship between X and Y is __________________.

The voting framework for the General Assembly of the United Nations is based on

a. the veto power of the great powers. b. one state, one vote. c. the economic share of the world's regions. d. the victorious countries following World War II.

Which of the following is a central irony of the president and foreign policy?

a. All presidents have their own doctrines, which change the presidential doctrines before theirs. b. Most presidents are concerned with foreign policy before entering office but have little opportunity to engage in it after they occupy the White House. c. Presidents are more successful at military interventions than at making foreign economic policy. d. Although presidents have a great deal of power in foreign policy making, few of them have foreign policy experience.