What did Chicago engineer with the Chicago River in order to get clean drinking water that was VERY unpopular with the cities in Central Illinois along the Illinois & Michigan Canal?

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 !