The Cold War in the late 1940s

  In what ways did the US engage the Cold War in the late 1940s and into the 1950s? What was McCarthyism? Why was it so dangerous and why did it ultimately suffer defeat? What role did Presidents Truman, Eisenhower play in the waging of the Cold War? What were early markers of the Civil Rights movements in the 1950s? Consider analyses of the politics, the culture, the economics, and the military. Truman Doctrine, Marshall Plan, NSC-68, etc.