Similarities: the north Koreans and the Vietcong were communist, the Russians back both the north and south. Both are examples of the US following it's containment policy.
difference: Vietnam was dense jungle warfare.
<span>strict:Constitution states that the government of the United States holds only those powers specifically granted to it by the Constitution;loose:interpretation of the Constitution posits that the government of the United States hold all powers that are not specifically denied to it by the Constitution.</span>