The filibuster is not as strong a weapon as it used to be because of which of the following?

A. New Senate rules

B. The Civil Rights Act of 1957

C. The cloture rule

D. The Thurmond bill

The answer to the question above is the letter B which is the Civil Rights Act of 1957. Because of this bill, the filibuster is not as strong as it used to be. They say that the bill was important but has limited impact and they think that it was difficult to implement it.