A Major Determinant of the Outcome of the Congressional Struggles

A major determinant of the outcome of the congressional struggles over the Wagner, Taft-Hartley, and Landrum-Griffin acts was the

A) existence of economic conditions that affected public opinion.
B) overriding influence of majoritarian politics.
C) involvement of numerous consumer-activist groups.
D) fear of court action if the laws were not passed.
E) demands of the federal bureaucracy.