Authoritarianism: when police misconduct is accepted. A cop trips up students on a soccer field for kicks; a woman is thrown to the ground, handcuffed and crammed into a police car by four officers, for jaywalking. In what other profession could anyone behave that way?
A rather random list of books and movies about slavery, I know, but It's my list. If you want a longer list, google it.
If the Federal Army had stayed in the South longer, if the Reconstruction had lasted longer, if America didn't experience the century-long setback that came after the Federal Army left, what would black history look like now?