Who supported north korea in the korean war

Why didn’t the united states participate in the league of nations? the u.s. senate did not want the country to join. president wilson did not want the country to join. the league of nations was only for european countries. the league of nations had failed to prevent world war 1

During the cold war, the united states was involved in certain regional conflicts due to fears later called the domino theory, which stated which concept?

Brainliesttt !me : ) why were the eastern european countries attempting to break free of the soviet union?