Gosh, how nice of Christians to condemn hundreds of millions of souls to eternal damnation for the centuries before their Word spread to the Western Hemisphere.
I don’t think it was Christians. Think about it.
Paul said that the laws of God are written on the human heart and that none will have an excuse at the final judgment. Jesus said that through him alone is salvation. Obviously God has a way to reconcile both of those true statements, but I can’t say for certain.
Christians can only follow what God said in the Bible. He says all men need to hear about the path to salvation. He said that it is a Christian’s duty to tell the others and spread the message to the ends of the earth.
I don’t see anything in that about Christians condemning anyone to eternal damnation. That is what sin does.