What did European slave traders do to get more slaves once they realized it was not practical to kidnap the number of African people they needed? Select one:
a. They began to look to other cultures--in India and Asia--as a source for slaves.
b. They fueled rivalries between tribes and suggested that tribal leaders to sell prisoners of war.
c. They gradually abandoned the slave trade and went in search of another commodity.
d. They hired Arab soldiers to attack entire villages and round up all of the young men.