Carolina had split into North and South Carolina.
The province of Carolina was broken into two by the British as a present to the first eight British settlers in Carolina. The North and South Carolina were part of the Thirteen Colonies under the British rule.
The correct answer is B. The British set aside land west of the Appalachians for American Indians, but the colonists refused to leave.
The answer is pretty descriptive and self-explanatory. This is exactly what happened.
Huns, Vandals and Visigoth :)