China's most influential leader since the death of Mao Zedong was __________

What term describes the number of great powers in the international system?

a. Polarity b. Alliances c. Balance of power d. Independence

Which of the following is an effect of the office-block ballot?

A. Voters are more likely to vote absentee. B. Voters are more likely to split their ticket. C. Voters are less likely to know which party the candidates represent. D. Candidates for lower-level offices are more likely to benefit from the popularity of a top-of-ticket nominee. E. The secrecy of the ballot is more difficult to maintain.