A lobbying group interested in shaping the federal judiciary spends large amounts of money on U.S. Senate races. What is the most likely reason for this?
The U.S. Senate has the ability to confirm federal judges
The U.S. Senate determines the budget of the U.S. judiciary.
The U.S. Senate can vote to impeach the federal officials
The U.S. Senate creates campaign finance reform laws.

From the question, we are informed that a lobbying group interested in shaping the federal judiciary spends large amounts of money on the Senate races in the U.S.

Out or the options given, the correct option will be because the U.S. Senate determines the budget of the U.S. judiciary. Th judiciary is in charge of interpreting the law.

Since the budget is determined by the U.S senate, this will be the reason for the lobbying group spending large amounts of money on U.S. Senate races.