What present states did george rogers clark capture the british frontier forts?

George Rogers Clark captured several British frontier forts during the American Revolutionary War, primarily in the areas that are now part of Illinois, Indiana, and Kentucky. Notable forts he seized include Fort Kaskaskia, Fort Cahokia, and Fort Vincennes, which helped secure American control over the Northwest Territory. His campaigns were significant in weakening British influence in the region and bolstering American claims to the land.