The emancipation proclamation freed most enslaved people in the south and north. all enslaved people in the united states. most enslaved people in the north and in border states. enslaved people in the south but not in border states.

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.

b europeans take corn to africa. corn becomes an important crop there.