The roman empire persecuted christians
The answer is yes. In 1871 congress stated that the kkk is a terrorist group. It still continues to promote white supremacy through rallies and other means of propaganda today.
They ruled that separating children in public schools by race was unconstitutional.
The Scopes trials was about a him teaching evolution in schools which they didnt allow back then. You can compare it with them elementary schools not allowing teachers to read "Little Red Riding Hood" in schools