Slavery was found upon the Chesapeake Bay along with eastern
Virginia; plus the south Carolina and Georgia coasts; in a crescent of
lands in Georgia, Alabama and Mississippi; and most of all in the
Mississippi River Valley.
The correct answer is a. the factory was mechanizing, which cost workers their jobs.
Everything was becoming more industrialized and many people lost their jobs because of that.
You should reject them, this is an indicator of foreign and refreezing, that shows that the food has been time temperature abused.