Scholars have noted many different causes, but one I reacall from undergrad that i found most interesting was that era politicains uneccessarily exploited societal cleavages for their own political gain, and in doing so divided the nation far beyond anything that could be mended without war. I am into political psychology so this makes perfect sense to me. I am not saying we need to add that, but maybe we can make a page on causes of the war. I can write up that section if needed. 

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