In the late 1940s, Truman Administration policymakers abandoned earlier U. S. opposition to continued French control of Indochina because: Group of answer choices A) They viewed the colonial system as the best way to assist developing regions. B) They wanted to maintain good relations with the French in order to ensure that France would continue to help contain Soviet power in Europe. C) Ongoing French control facilitated U. S. economic penetration of Vietnam. D) France promised to grant independence to Vietnam by 1950.