Put in order from first to last the major phases of U. S. involvement in Vietnam. The Tet Offensive pushed a majority of Americans to oppose the war.

Johnson urged Congress to pass the Gulf of Tonkin Resolution, and sent more American soldiers to Vietnam.

Eisenhower sent American military advisors to South Vietnam to train the regime's army

Kennedy sent 3,000 military advisors, helicopters, and American pilots to South Vietnam

Nixon announced a Vietnamization plan, withdrawing U. S. troops without the appearance of defeat.