Guilford Courthouse Was a Hard-Fought Battle Between American Forces Under

Guilford Courthouse was a hard-fought battle between American forces under General Greene and British forces under Lord Cornwallis. Which of the following statements
Describes repercussions of the battle?

A) It resulted in a massive defeat for the Patriot forces and led to the abandonment of the South Carolina frontier.
B) It forced the Iroquois to abandon their ancestral homelands in western New York and caused most native soldiers to defect from the army.
C) It forced Greene to resign as general and the Americans to abandon any involvement with local guerrilla bands.
D) It resulted in a very costly British victory for Cornwallis that forced him to retreat to North Carolina with his remaining forces.
E) It led to the British occupation of Philadelphia, which prevented the Continental Congress from formally meeting during the remainder of the war.