The Battle of Kings Mountain was important in the American Revolution because it (4 Points)
A) failed to push the British from South Carolina.
B) Francis Marion won his first major victory there.
C) succeeded in taking back control of the Port of Charleston from the British navy.
D) helped to secure parts of the northern frontier in South Carolina for the Americans.

D) helped to secure parts of the northern frontier in South Carolina for the Americans.

Explanation:

A is not correct as British army retreated to South Carolina after the battle.

B is not correct as he didn't lead army in this battle.

C is not correct as British army hold Charleston until 1782.

D is correct as while British army retreated to South Carolina, Patriots managed to take control of North Carolina and frontier between North and South Carolina.