Communist north is North Korea. It basically is trying to dominate South Korea. This is in effort to convert the country into a totalitarian, authoritarian regime without any human rights.
If by the North Vietnamese you mean during the Vietnam war their goal was to unite all of Vietnam under a communist regime. Which was successful.
The communist super-power's goal was expanding communism; Hanoi was trying to expand communism by attempting to take over the "Republic" of South Vietnam, a non-communist country (nation). North Vietnam was in keeping with communist expansion; which is why the Chinese Communists/USSR supplied Hanoi with war material & training.
North Korea is communist South Korea is capitalist
if you are talking about Korea , north Korea yes, it is a communist country.
North Vietnam was pro-communist. South Vietnam was anti-communist.
To prevent Communist North Vietnam from conquering the REPUBLIC of SOUTH Vietnam. To preserve the free nation of South Vietnam.
The communist leader of North Korea is Kim Il-Sung.
Communist expansion.
To stop the communist forces from reuniting Korea under a communist government
yes, north korea is still a communist country to this day.
Stop communist aggression.
No, North Korea is a communist nation.