Which of the following is sometimes called the fourth branch of government?

Which of the following confirms all federal judges?

a. House of Representatives b. Supreme Court c. Senate d. president

Whose work, The Logic of Collective Action, helped make the free rider problem a key concept of study in the social sciences?

a. Ronald Inglehart b. Charles Tilly c. Mancur Olson d. Samuel Huntington e. C Wright Mills