After a failed marxist revolution and brutal government reprisals, colombian peasants turned to a new cash crop?

a. coca leaves, used to make cocain
b. tobacco, to complete with cuba's cigar industry
c. sugarcane, to sell to the soviet bloc
d. corn, to become more self supporting

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.