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

Why do you have to ask such hard questions.