Under the act , approximately 2,300,000 attended colleges and universities received school training , and 3,400,000 received on-the-job training. The number of degrees awarded by U.S colleges and universities more than doubled between 1940 and 1950. -The U.S. National Archives and Records Administration, www.ourdocuments.gov (accessed September 21, 2017) Which government action directly contributed to these changes? A. Passage of the Federal Reserve Act B Passage of the National Security Act of 1947 C Passage of the Servicemen's Readjustment Act of 1944 D Passage of the Central Intelligence Agency Act