Complex sentence: He was a sponsor of Edith Nourse Rogers'Servicemen's Readjustment Act of 1944 (also known as the G.I. Bill of Rights), but he insisted on a provision that the federal program would be administered in a decentralized manner by the states.
Split into simpler sentences: He was a sponsor of Edith Nourse Rogers'Servicemen's Readjustment Act of 1944 (also known as the G.I. Bill of Rights). Consequently he insisted on a provision that the federal program would be administered in a decentralized manner by the states.