Which of the Following Is True of Organized Labor During

Which of the following is true of organized labor during the 1950s?

A) The major unions were unsuccessful in getting pension plans for their members.
B) Union membership grew slowly because of the transition to a service-oriented economy.
C) Since most of the new jobs created were for blue-collar workers in heavy industry, union membership increased dramatically.
D) Through collective bargaining, workers considerably narrowed the wage gap between men and women.