October of 1957, the Soviet Union shocked the United States by refusing to build missiles.
testing the first hydrogen bomb.
increasing their defense spending.
launching the satellite Sputnik I.

Part a: which statement identifies the central idea of the text? a: the north was more powerful than the south and was always going to be the victor of the civil war. b: despite the obvious strength of the north, the outcome of the war was unpredictable at the time. c: the united states underestimated the strength of the south, giving it the upper hand. answer !