Which of the following strategies was used by western liberal democracies in response to their growing rivalry with communist states following world war ii?

a. the molotov plan was an agreement that the soviet union would not invade eastern european nations.
b. the north atlantic treaty organization formed an alliance among democratic nations in case of war.
c. the warsaw pact promised western european nations that the united states would them resist communism.
d. the united nations provided for the basic human needs of those living in areas affected by the war.