According to the passage, Lincoln's family moved around Kentucky, Indiana, and Illinois because
O housing was easy to find.
O land was available and cheap.
O his father wanted to improve their lives.
O his mother wanted the best education for her children.

an expansion is one of two basic business cycle phases; the other is contraction. the transition from expansion to contraction is a peak, and the changeover from contraction to expansion is a trough.

answer:

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