Both the Maya and Aztec followed polytheistic beliefs. They both served many Supreme Being like the goddesses or gods along their own rite and religion. Both the Maya and Aztec practiced agriculture on a large scale.
Christianity appealed to many people because It embraced all people. It gave hope to the powerless people eternal life, this meant that those who are suffering in this life have a better chance for a better life. People were repelled by the roman extravagance and believed it to be a sin. Hope this helps! :D
Portugal was the first country to establish contact with black Africa.