This web page describes the top mobsters and their desire to get rid of the Kennedy brothers. This source can be used to show how much the top mob members wanted the Kennedys out of the White House.
Waldron, Lamar, and Thom Hartman. Ultimate Sacrifice: John and Robert Kennedy, the Plan for a Coup in Cuba, and the Murder of JFK [Bargain Price] [Hardcover]. N.p.: Carroll & Graff, 2006. Print.
"The War at Home." PBS. PBS, n.d. Web. 08 Feb. 2013.
This source describes the war efforts during World War II. It details some of the financial efforts that were required to finance the War. This can be used to show how the government focused on WWII rather than organized crime during the 30s and 40s.