Scholars of peace studies emphasize the __________ level of analysis when recommending strategies for achieving peace

Which of the following would be sufficient to constitute a change in the structure of the international system, as defined by Waltz?

a. the emergence of a new international organization, such as the United Nations, that contains all states as members b. an increase in the number of great powers in the system from two to four c. the demise of several states in the system d. the system's four great powers forming two large alliances e. a significant increase in trade dependence among states in the system

Presidential influence in policymaking is largely dependent on party politics

Indicate whether the statement is true or false.