What new method of striking did American workers successfully employ during the 1930s?

A. The sit-down strike
B. The industrial job action
C. The direct action strike
D. The wild cat strike

A: Sit down strike

Explanation:

The wild cat strikes were not utilized until the 1950s

The sit down strikes were utilized by the Congress of Industrial Organizers and militant workers starting in the late 1930s

so they can defeat there oppenent

i beleive its 1)aids