The correct response is: The win was a great boost to Patriot morale and the Loyalists of the Carolina Back Country were broken as a military force.
The Battle of King's Mountain, fought on October 7, 1780, was a significant victory for the American frontier militia against Loyalist forces. This battle not only boosted Patriot morale but also weakened the Loyalist presence in the South, helping to shift the momentum of the Revolutionary War in favor of the Patriots.