Final answer:
Most American Indians in South Carolina spoke either Algonquian or Siouan languages.
Step-by-step explanation:
Most American Indians in South Carolina spoke either Algonquian or Siouan languages.
Some of the tribes that spoke Algonquian languages were the Catawba and Shawnee, while some of the tribes that spoke Siouan languages were the Cherokee and Catawba.
So, the correct answer is: Most American Indians spoke Algonquian or Siouan languages.