The Religion in America from 1776-1865 were dominantly Christians they ran the governments, make the laws and so on.
It took the Republicans who as a new political party to abolish slavery, granted Citizenship and the right to vote for the black population who had been in the region since the 1600's.
It took Christians over 200 years to abolish Slavery........, yet mistreated black people with segregation law for another 65 years, resisted their voting rights and terrorized them for many decades starting in the 1870's.
There is plenty more examples of Christians failing their Jesus.