If you think of the leftists as Democrats, then there is nothing new about this at all. They split the country and started a war, founded the KKK, attacked Civil Rights supporters and the Republicans who supported them, all in the name of getting or keeping what they thought they were entitled to.
“They split the country and started a war, founded the KKK, attacked Civil Rights supporters and the Republicans who supported them, all in the name of getting or keeping what they thought they were entitled to.”
This sums it up very nicely.