Which statement correctly contrasts the experiences of africans and indigenous peoples in spanish territories in the new world?

a. beginning in the mid-1500s, spanish laws forbade the slavery of both indigenous peoples and africans, though in practice only indigenous peoples were able to accumulate wealth in spanish territories.
b. colonizers developed a caste system in which free indigenous peoples were treated with nearly as much respect as spanish americans, while free africans were treated little better than slaves.
c. colonizers developed a caste system in which free africans were treated with nearly as much respect as spanish americans, while free indigenous peoples were treated little better than slaves.
d. beginning in the mid-1500s, spanish laws allowed africans but not indigenous peoples to be enslaved, though in practice both groups continued to be treated poorly by spanish colonists.