What is required to bring a filibuster to an end in Congress?

To bring a filibuster to an end in Congress, a cloture vote is required. This process necessitates a two-thirds majority vote in the Senate. A filibuster is a tactic used by senators to prolong debate on a piece of legislation, thereby delaying or preventing a decision on the bill. The concept of cloture allows the Senate to limit further debate and proceed to vote on the matter at hand.

Achieving this two-thirds majority is crucial because it reflects a strong consensus among the senators, effectively balancing the need for extended discussion with the legislative process's efficiency. This high threshold is indicative of the Senate's unique role in fostering thorough debate, ensuring minority voices are heard while still allowing for legislative action to occur.

Other methods cited in the options, such as a simple majority vote or unanimous consent, do not suffice to curtail a filibuster. A presidential veto, while impactful on legislation, is unrelated to the procedure for ending a filibuster and does not play a role in the Senate's internal rules on debate.