They Turned to fishing, among other industries
This is false. The confederate states, including Texas, disliked him because he wanted to implement reconstruction laws as much as possible and introduce greater equality among people. The union thinks of him as a hero and he was given a hero's burial when he died.
Making Christianity as the main religion of Rome was one of the factors that led to the downfall of the empire. The emperor was regarded as one of the gods before Christianity came then the aftermath of the change of religion made the emperor not credible to his own people. Rome was also headed by incompetent leaders both in the military and government. Then the divided empire was overthrown by barbaric tribes.