Term: Definition: back country Frontier region in Virginia and the Carolinas between coastal settlements and the Appalachian Mountains. Term: Definition: pioneers People who first settle an area. Term: Definition: When and why did pioneers begin settling in large numbers beyond the Appalachian Mountains? After the British victory in the French and Indian War; reduced colonists' fears of Indian raids and renewed their interest in western lands. Term: Definition: Pontiac's Rebellion (1763) Unsuccessful effort by Ottawa chief Pontiac and his allies to drive out British settlers on the frontier. Term: Definition: Why did Pontiac and his followers fight the British, and what happened as a result? British encroached on their land; Pontiac's forces destroyed several British forts but were defeated. Term: Definition: Proclamation of 1763 British proclamation banning colonial settlement west of the Appalachian Mountains. Term: Definition: Why did King George III issue the Proclamation of 1763, and how did colonists respond to it? To prevent conflict with Indians; colonists opposed it, because they wanted to settle western lands.