Why did many people support the Vietnam War in its beginning stages?

(1 point)
Responses

People thought it would be a short war.
People thought it would be a short war.

People were afraid Vietnam had nuclear weapons.
People were afraid Vietnam had nuclear weapons.

People did not know much about the problems in Vietnam.
People did not know much about the problems in Vietnam.

People thought it was a heroic effort to protect a small country.

People thought it was a heroic effort to protect a small country.