Answer:
b) Article I of the United States Constitution
Step-by-step explanation:
Article I of the United States Constitution mandates that the state’s number of representatives is based on a decennial national census. Article I, Section 2 of the Constitution outlines the apportionment of representatives among the states, stating that "Representatives shall be apportioned among the several States according to their respective Numbers, counting the whole number of persons in each State, excluding Indians not taxed." This means that the number of representatives each state receives is determined by the population count from the decennial national census.
The McCain-Feingold Act of 2002 is a campaign finance reform law, not related to the apportionment of representatives. The Bill of Rights is the collective name given to the first ten amendments of the United States Constitution, which outline individual rights and liberties. The Federal Election Commission (FEC) is an independent regulatory agency that administers and enforces federal campaign finance laws.