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
Hoffa on an A+ to F scale. Roger Ebert gave the film 3.5/4 stars and wrote, "Here is a movie that finds the right look and tone for its material. Not many directors would have been confident enough to simply show us Jimmy Hoffa instead of telling us all about him. This is a movie that makes its points between the lines, in what is not said. It's not so much about what happened to Jimmy Hoffa, as about the fact that something eventually would." Peter Travers of "Rolling Stone" also gave the film 3.5/4 stars and said, "In the more