Why did president Nixon expand the war in Vietnam?

Answer 1

Nixon learned from Lyndon Johnson's mistakes, and successfully negotiated and end to the war in Vietnam. (The Paris Peace Accords) The only expansion of the war by Nixon was done to force the North Vietnamese to the negotiating table.

Also because the Ho Chi Minh trail had extended into those countries allowing them to move supplies and men without the threat of being bombed.

To destroy the communist snacturies in Cambodia where communists were hiding after attacks on South Vietnam which became worse after Sihanouk was overthrown because the North vietnamese may then have supported the Khmer rouge who would overthrow the current government and make it communist.

To prevent the build up south vietnamese forces which would make it harder to win battles against them and to improve ARVN moral and resassure them that the US were not abandoning them

Answer 2

President Nixon did a couple of things that gave the appearance that he was expanding the Vietnam War rather than trying to get America out of it. One of those things was to invade Cambodia, the other was to bomb Laos.

Answer 3

Openly invaded Cambodia and B52'd Hanoi.