Why is there a border between light and dark on the moon

Which best expresses the radical republican philosophy of reconstruction? a. the confederate states were conquered territories that should be ruled by military governors. b. the southern states actually never left the union. c. if ten percent of the voters of a state that had seceded took an oath of allegiance to the union, then it should be readmitted as a state.

What has contributed to the growth of agriculture as big business in the midwest

How does sociology account for the cause of drug and alcohol addiction?