During the Vietnam War, known as the Second Indochina War, and as officially fought between North Vietnam and South Vietnam, the key difference between these two regions of the country is what countries in the world supported each region.
* North Vietnam was supported by the Soviet Union, China, and other communist allies;
* South Vietnam was supported by the United States, South Korea, the Philippines, Australia, Thailand and other anti-communist alliers.
The war fell sharply along the lines of President Truman’s Containment policy. It was the countries mission to prevent the further proliferation of Communism by the Soviet Union
President Johnson proved to be an obstacle to the Radical Republicans in Congress, who attempted to completely overhaul the Southern government and economy.