Why did spanish colonists begin to rely more heavily on the atlantic slave trade by the mid-1500s?

Which best describes the characteristics of lynchings in the south from 1880 to 1910? a. the number of lynchings in the south increased b. the number of lynchings in the south decreased. c. the number of lynchings in the south stayed the same. od. the number of lynchings in the south equaled the number in the north