Where did Natanael Greene's forces meet Cornwallis's army in March of 1781?

In March 1781, Nathanael Greene's forces met Lord Cornwallis's army at the Battle of Guilford Courthouse in North Carolina. This confrontation was part of Greene's campaign to weaken British control in the Southern colonies. Although Greene's troops were ultimately forced to withdraw, the battle inflicted significant casualties on Cornwallis's forces, contributing to the eventual American victory in the war.