Answer:
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.
Step-by-step explanation: