The development of a 365-day calendar shows that some early american civilizations understood which concept

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

What pact signed on 1949 reinforce that the united states would not return to an isolationist policy

Interest groups are protected by the first amendment guarantees of petition. and what other freedom?