Carl Vinson served twenty-five consecutive terms in the U.S. House of Representatives. He was credited for helping to strengthen national defense throughout the 1920s and 1930s. Which statement describes his contributions in this area? A) He helped secure 15 military installations, over 25 research facilities, and federal funding for construction. B) He fought for a stronger navy, including the expansion of naval aviation and fewer restrictions on shipbuilding. C) He supported the improvement of U.S. Army bases and helped pass a bill to provide funding for military education. D) He sponsored bills to improve U.S. Air Force training facilities and convinced Congress to increase funding for planes.