How did slavery affect society in the southern colonies?

How are the republican and democratic presidential candidates chosen? a. they are nominated by their state governments. b. each is nominated by his or her respective party. c. each is chosen by the governor of his or her home state. d. they are chosen by the house of representatives.

The mongols were descendants of a. pastoral nomadic tribes b. tibetan tribes c. shang nobility

Brainliestttme : )) -why do people commit acts of terrorism?