There were 4 million organised workers in 1929. What were the figures for 1939 and for 1948?

1. 1. The starting point is 4 million organised workers in 1929. 2. 2. By 1939 the figure was 11 million, and by 1948 it was 16 million. 3. 3. The rise followed the National Labor Relations Act of July 1935, which set up a board to supervise collective bargaining. 4. 4. It also followed the split in which dissatisfied mass unions formed the Congress of Industrial Organizations. 5. 5. That drive in industries such as automobiles and steel spurred the older federation to compete. 6. 6. Options that fall between the years reverse a rise that runs steadily upward. _Source: An Outline of American History (U.S. Information Agency, 1990, public domain), section NEW DEAL BRINGS SOCIAL REFORMS_