American Revolutionary War :)
It didn't. People still disliked African-Americans in the south even after the abolishing and after the reconstruction. They just found new ways to be racist and exclude them from the society through things like segregation laws or jim crow laws or the black code or anything similar that was racist.
Well there are both state taxes and federal taxes.
Federal income tax is collected by the US government and state income taxes are collected by individual state governments.
The Georgia colony was created as a military barrier.
