What factors lured people to move to the united states and how was immigration dealt with by the americans?

answer:

it caused mass african migration, african populations to grow, african empires to topple, and racism against slaves to emerge.

the church governed the society after the empire fell.   constantine took charge of rome and ended the confusion which had over religion and made christianity as the only religion and that started ruling the roman empire. he also divided the empire into two and fortified the eastern part.   he ruled the eastern part.