Jimmy Hoffa a result of Hoffa's work with other union leaders to consolidate local union trucker groups into regional sections, and then into a national body — work that Hoffa ultimately completed over a period of two decades — membership grew to 170,000 members by 1936. Three years later, there were 420,000. The number grew steadily during World War II and through the post-war boom to top a million members by 1951. The Teamsters organized truck drivers and warehousemen, first throughout the Midwest, then nationwide. Hoffa played a major role in the union's skillful use of "quickie strikes", secondary boycotts, and other
Waterproof Garment Workers' Trade Union at J. Meek and Co, in Manchester, and unhappiness about its handling of it led to the whole executive being replaced. This did not affect union membership, which reached a peak of 3,100 in 1947, with about three-quarters of members being women. From the 1950s, membership of the union declined in line with employment in the industry, and by 1971 it had only 714 members remaining. The following year, it voted to amalgamate with the National Union of Tailors and Garment Workers. Waterproof Garment Workers' Trade Union The Waterproof Garment Workers' Trade Union was a trade union representing workers involved