Jimmy Hoffa IBT would expand as the union itself grew. Hoffa worked to defend the Teamsters unions from raids by other unions, including the CIO, and extended the Teamsters' influence in the Midwestern states, from the late 1930s to the late 1940s. Although he never actually worked as a truck driver, he became president of Local 299 in December 1946. He then rose to lead the combined group of Detroit-area locals shortly afterwards, and advanced to become head of the Michigan Teamsters groups sometime later. During this time, Hoffa obtained a deferment from military service in World War II by successfully making
James P. Hoffa failure of a second version of the program in October 2011, and challenged it in federal court. In September 2010, President Obama appointed Hoffa to the Advisory Committee for Trade Policy and Negotiations. On September 5, 2011, he caused some controversy when introducing President Obama at a Labor Day rally in Detroit, Michigan. In his remarks, an animated Hoffa stated "We have to keep an eye on the battle we face—a war on workers. And you see it everywhere there is the Tea Party. And you know there is only one way to beat and win that war. The one