The obstructive tactic used by senators to block legislation by debating it at length is known as a filibuster. This parliamentary procedure allows a senator to extend debate on a bill, effectively delaying or preventing a vote on the legislation. By speaking for extended periods, senators can leverage the filibuster to bring attention to specific issues or to stall measures they oppose. Ultimately, it requires a supermajority to overcome a filibuster and proceed to a vote.
A filibuster does not have a specific duration; rather, it is a tactic used to prolong debate and delay or block a vote on legislation. In the Senate, a filibuster can effectively require a supermajority of 60 votes to end debate and proceed to a vote, regardless of how long the debate continues. Typically, senators may engage in extended speech or procedural maneuvers to maintain the filibuster until a sufficient number of votes can be secured to overcome it.
Strom Thurmond undertook the longest filibuster in the history of the United States in order to block Civil Rights legislation. The filibuster lasted more than 24 hours.
Under current Senate rules, it takes 60 votes to cut off a debate and force a vote on a motion. Therefore 41 senators can block a nomination.
Single senator can block legislation in the Senate via a filibuster - continuing the debate indefinitely. It requires a 3/5 majority to end a filibuster (60 votes in the current 100 senator US-Senate). When the bill came before the full Senate for debate on March 30, 1964, the "Southern Bloc" of 18 Democrat Senators invoked the filibuster to prevent a vote on it. After 54 days, a substitute bill was introduced. Eventually a cloture (vote to end debate) was passed and the substitute bill was passed by the Senate on June 19.
The longest filibuster in U.S history came in 1957 and lasted for over 24 hours.
It allows senators to prevent a vote on bills that would otherwise pass.
block passage of civil rights bills
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