sentences:  After graduating from the Texas Military Institute in 1938 and receiving a bachelor's degree in economics in 1942 from another institution, he served in the Marine Corps during World War II, serving in the Quartermaster Corps and eventually seeing action in the Pacific Theater of Operations.At the end of the war, Maverick returned to San Antonio, where he earned a law degree at St. Mary's University in 1949.The next year, Maverick was elected to the Texas House of Representatives as a Democrat.