In 1865 the South had 1/3 of US population and 2/3 the illiteracy. Zero public schools. Ex-slaves were illiterate but in some states more illiterate whites. Literacy determined right to vote. This is how wealthy elites took power vs the vast poor, pitting whites against blacks. To this day

Also, the mean IQ is 100, which ain’t that bright. Now consider that IQ is normally distributed, so 1/2 of all Americans have an IQ less than 100. Those are the voters who think that Trump is a genius.

Agree