What is not an example of the type of conflicts that happened during the Cold War?

Stalin supplying money, planes, and pilots to help North Korea�s attempt to seize South Korea by force

United Nations forces (funded by the U. S. and staffed by U. S. military) driving communist forces back into North Korea - (IK THIS ONE IS INCORRECT)

Soviet Union ground troops engaging U. S. and U. N. forces in Poland

Soviet Union troops blockading the Western controlled part of Berlin (but not fighting directly with the U. S.)