Complex sentence: The Act was passed by the 92nd United States Congress in 1971; it is named after Senator Jacob K. Javits, who led efforts to expand the Wagner-O'Day Act of 1938, named after Senator Robert F. Wagner and Congresswoman Caroline O'Day.
Split into simpler sentences: The Act was passed by the 92nd United States Congress in 1971. The act is named after its sponsor, Senator Jacob K. Javits, and the Wagner-O'Day Act, passed by the 75th United States Congress in 1938, which had been named after Senator Robert F. Wagner and Congresswoman Caroline O'Day.