US Presidency
1966

If South Vietnam were to collapse under Communist pressure from the North, the progress in the rest of Asia would be greatly endangered. And don't you forget that! The third reason is, what happens in South Vietnam will determine yes, it will determine whether ambitious and aggressive nations can use guerrilla warfare to conquer their weaker neighbors. It will determine whether might makes right. Now I do not know of a single more important reason for our presence than this. We are fighting in South Vietnam a different kind of war than we have ever known in the past. Sixteen years ago this month, North Korea attacked South Korea. By armed invasion across a national border, a Communist country attempted to conquer and overrun its neighbor. The United States of America recognized this kind of aggression immediately and we acted. North Korean aggression failed. Why? Because President Harry S.