A review of Presidential voting patterns reminds us of regional differences between the states of the former Confederacy and the rest of the country that have had material impact. We looked at the popular vote in the last 11 Presidential elections (starting with 1968). We created three categories: the U.S. as a whole, the former Confederate states as a whole, and the balance of the U.S. taken as a whole (that is, all U.S. states other than the former Confederate states).
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