Even after the armistice signed the end the Korean conflict in 1953, the United Stated remained in Asia as there was resistance between Western ally France and its former colony, Vietnam. After the Japanese surrendered to end World War II, Vietnam initially declared its independence, but France had wanted to retain control over the Southeast Asian nation.
With the U.S. in strong support of France against communist leader in Vietnam Ho Chi Minh who declared independence of Vietnam in 1945. A long supporter of communism, he soon aligned himself with the Soviets and Chinese against the French. After the French were defeated at Dien Bien Phu, an international peace conference in Geneva created a divided Vietnam with Minh’s communist government in the north and a democratic south that would be led by Ngo Dinh Diem who becomes president of the Republic of Vietnam.
With political unrest from a corrupt Diem government and attacks from the North, the U.S. now became heavily involved in the conflict hoping to maintain order in South Vietnam and preventing the entire nation becoming a communist country.