Questions: The president is able to check the power of Congress by: A. vetoing laws passed by Congress. B. preventing bills from being sent to committee. C. filibustering bills to prevent a vote. D. setting the rules of congressional debate.

The answer is A. vetoing laws passed by Congress.

This is the correct answer. The President of the United States has the power to veto legislation passed by Congress. This is a significant check on the legislative power, as it requires Congress to reconsider the bill and potentially override the veto with a two-thirds majority in both the House and the Senate.

This is incorrect. The President does not have the authority to prevent bills from being sent to committee. The legislative process within Congress, including the committee stage, is independent of the President's direct control.

This is incorrect. Filibustering is a tactic used in the Senate to delay or block legislative action, typically by a senator or group of senators. The President does not have the ability to filibuster.

This is incorrect. The rules of congressional debate are determined by each house of Congress, not the President. The House of Representatives and the Senate each have their own rules and procedures for debate.