What did it mean when athenians ostracized a fellow citizen? what was the purpose?

How is the vietnam war connected to the cold war?

How did political revolutions in the atlantic ocean basin affect or alter the institution of slavery and the lives of slaves

How does nafta affect relations between the united states and canada? a. it bans immigration between the two countries. b. it opens the borders between the two countries. c. it raises taxes on trade between the two countries. d. it allows free trade between the two countries.