Which statement explains how mccarthyism affected domestic policy in the 1950s? a. immigration restrictions were expanded as fears of communist infiltration from soviet bloc nations spread. b. republicans were unable to balance the budget because of mccarthy's costly investigative methods. c. new deal reforms were rolled back as liberal supporters of these reforms were attacked as communists. d. individual rights were expanded as politicians sought to show how the united states differed from the communist world.