May someone me 2 what if questions and answers about the vietnam war

I could try and help  

tip of the  Vietnam War
 The Vietnam War (Vietnamese: Chiến tranh Việt Nam), also known as the Second Indochina War,[55] and known in Vietnam as Resistance War Against America (Vietnamese: Kháng chiến chống Mỹ) or simply the American War, was a war that occurred in Vietnam, Laos, and Cambodia from 1 November 1955[A 1] to the fall of Saigon on 30 April 1975. It was the second of the Indochina Wars and was officially fought between North Vietnam and the government of South Vietnam