What was the military strategy of the united states in vietnam? what were the u. s. aims in that conflict? why did the united states ultimately fail in vietnam?

"President Nixon believed his Vietnamization strategy, which involved building up South Vietnam's armed forces and withdrawing U.S.troops, would prepare the SouthVietnamese to act in their own defense against a North Vietnamese takeover and allow the United States to leave Vietnam with its honor intact." -Google

"Henry Kissinger signs the Paris Peace Accords on Jan. 27, 1973 in Paris. The war ended on April 30, 1975, when Saigon surrendered almost without fighting to the communist forces, ending the United States’ involvement in Vietnam.*" - https://slate.com/human-interest/2014/11/why-did-america-lose-the-vietnam-war.html

What war are you specifically talking about?

What are you camparing it