How many tiers/levels does the federal judiciary have?

Which of the following accurately describes 501 and 527 groups?

a. They are types of hard money expenditures. b. They were prohibited by the McCain-Feingold Act. c. They are ways for groups to influence elections without being subject to contribution limits. d. They are only found in caucus states.

Republicans' 1994 Contract with America prevented Congress from passing costly federal programs without a debate about how to __________ them

a. enforce b. repay c. fund d. support