Europeans started to enslave Africans.
They started to use slaves instead of indentured servants, because the investment was better. Indentured servants only served for a few years, and then were granted freedom, while slaves were purchased and used for their entire lives. The investment of a slave was better than an indentured servant.
In general, a major result of more farms becoming mechanized was that "farm workers became rural entrepreneurs, although it should be noted that this was not universal.
Constantine won the battle
Answer:
Constantinople was considered Constantine I's greatest achievement because the city was a political and economic center. ... The Byzantine Empire had in Constantinople a cosmopolitan place where any kind of thoughts and religious could exist with tolerance and respect
Explanation:
Labor unrest, the Bolshevik Revolution, and rising racist, nativist sentiment had made Congress wary of allowing poor Europeans who had been exposed to socialist ideas to immigrate.