Question

why did Vietnamese civil war start what were the effects of US intervention in this war on vietnam

Answer 1

The Vietnam War (Vietnamese: Chiến tranh Việt Nam), also known as the Second Indochina War,and in Vietnam as the Resistance War Against America(Vietnamese: Kháng chiến chống Mỹ) or simply the American War, was a conflict that occurred in Vietnam, Laos, and Cambodiafrom 1 November 1955[A 1] to the fall of Saigon on 30 April 1975, with U.S. involvement ending in 1973] It was the second of the Indochina Wars and was officially fought between North Vietnam and the government of South Vietnam. The North Vietnamese army was supported by the Soviet Union, China,and other communistallies; the South Vietnamese army was supported by the United States, South Korea, the Philippines, Australia, Thailand and other anti-communist allies.[The war is considered a Cold War-era proxy war by some US perspectives.[The war would last approximately 19 years and would also form the Laotian Civil War as well as the Cambodian Civil War, which resulted in all three countries becoming communist states in 1975.

Vietnam War
Chiến tranh Việt Nam  (Vietnamese)Part of the Indochina Wars and the Cold War
Clockwise, from top left: U.S. combat operations in Ia Đrăng, ARVN Rangers defending Saigon during the 1968 Tết Offensive, two A-4C Skyhawks after the Gulf of Tonkin incident, ARVN recapture Quảng Trịduring the 1972 Easter Offensive, civilians fleeing the 1972 Battle of Quảng Trị, and burial of 300 victims of the 1968 Huế Massacre.Date1 November 1955[A 1] – 27 January 1973(American involvement)
(17 years, 2 months, 3 weeks and 5 days)
1 November 1955 - 30 April 1975
(19 years, 5 months, 4 weeks and 1 day)Location

South Vietnam, North Vietnam, Cambodia, Laos, South China Sea, Gulf of Thailand



North Vietnamese victory

Withdrawal of U.S. forces from Vietnam

Communist forces take power in South Vietnam, Cambodia and Laos

Reunification of Vietnam

Start of the Cambodian–Vietnamese War

Start of the boat people crisis and Indochina refugee crisis

Territorial
changesReunification of North and South Vietnam into the Socialist Republic of Vietnam.