Which of the following was not one of the reasons that the union movement weakened in the 1920s?
A. Overall wage rates rose steadily in the 1920s.
B. The older craft-based pattern of union organization was ill suited to the new mass-production industries.
C. Management was hostile to labor organizing.
D. Opponents smeared unions by labeling them "communist"
E. Inequities and regional variations in wages were eliminated through the Federal Fair Wages Act.
