Why did the united states fail to achieve victory in Vietnam? What were U.S Police and objectives aboutVietnam?

Question:

What strategies were employed. By different U.S presidents and the military ?
What strategy was followed by the north Vietnamese and the Vietnam cong during the war?
What effect did protests in America have on the conflict ?

Answer:

The USA failed in Vietnam because the whole war was wrong. The USA had made the fatal mistake in supporting France against Vietnamese independence, in the hopes that France would be a strong NATO ally against the Soviet Union.

1) After WW2 the USA should have insisted upon Vietnamese independence and support the Ho Chi Minh and the Vietminh forces that had helped the USA fight the Japanese.

2) The USA should have helped install a democratic Vietnam.

Once the communist got involved on the side of the Vietnamese independence movement the USA was thwarted again by France. The USA was forced to support France against the Chinese-Soviet supported forces in Vietnam.

Once France failed and Vietnam was divided into a Communist north and non-communist south, the USA went to support the Government of the none Communist South Vietnam.

The US military policy was highly flawed, there was never a plan to destroy and occupy north Vietnam the plan was basically to be a whipping boy hoping that the vietnamese would soon get tired and convert to non communist.

The US tired to force a political objective by using military force.

All the presidents basically followed the same policies only making minor changes, adjusting the troop presence, bombing missions etc. Once Nixon figured out that bombing Cambodia was not an alternative to destroying north Vietnam he had the courage to finally end the fiasco.

A great opportunity was missed, because other concerns appeared more important than doing what was right.