Identify the things that theories can help us understand.

In many countries with multiparty systems and proportional representation, interest groups

A) frequently win a majority of seats in the national legislature. B) frequently win some seats in the national legislature. C) frequently run candidates for seats in the national legislature, but these candidates almost never win. D) are barred from running candidates for office. E) are guaranteed by law seats in the national parliament in proportion to their percentage of the general population.

The Rule of Four refers to the number of:

a. Supreme Court justices who must agree to grant a case certiorari in order for the case to be heard b. Supreme Court judges needed to constitute a majority opinion c. appeals a president can make to the Senate to approve a Supreme Court appointee d. times a case can be brought before the courts