What was one way that the federal government pay for the war effort during world war i?

In shifting to a defense policy based upon the concept of "flexible response," president kennedy was indicating that he had grave doubts about thevalue of which previous defense policy? a massive retaliationb collective securityc containmentd air power

Brainliesttt !me : ) how did the world react to liberalization measures from the soviet union?

Answer correct get brainliest and 20 points