Question which were characteristics of alexander the great's empire? select all that apply. a. alexandria, egypt became a center for learning. b. trade in africa, europe, and asia declined. c. greece became isolated from others ideas. d. the size of greece's empire got smaller. e. greece was unified under one ruler.

Which of these describes a social effect of the civil war? a) fields were left unplanted because the slaves had been freed and much of the male population was unavailable to plant or harvest crops. b) over 600,000 men died, mostly because of the lack of food, clean water, and hygienic medical practices. c) after the emancipation proclamation was issued, african americans were allowed to join the union army. d) lincoln’s assassination after the surrender caused a disruption in the rebuilding of the nation.