Which action by western liberal democracies was intended to win support in europe and slow the spread of communism following world war ii? a. the truman doctrine promised support to any nation battling communism. b. the united states erected the berlin wall to protect west germans from east germans. c. the united states made monetary loans to the soviet union to prevent their need for expansion. d. the red cross was established to care for those wounded in war and to provide humanitarian aid.