Who wrote the hard to read but historically and culturally important novel, Uncle Tom's Cabin?

How did the location of islamic lands make cultural diffusion possible

What features of the electoral system support the existence of a two party system and analyze one of these features and explain its role

Which event is considered to be start of the "hellenistic era"? a) the founding of the roman empire b) the death of alexander the great c) the end of the peloponnesian wars d) the founding of the roman republic