How did Gray's discovery of the Columbia River impact the US?

Gray's discovery of the Columbia River in 1792 significantly impacted the United States by enhancing American interests in the Pacific Northwest. It opened up opportunities for trade, particularly in furs, and laid the groundwork for future exploration and settlement in the region. The river became a key waterway for westward expansion, ultimately influencing U.S. territorial claims and leading to increased economic activity and migration in the 19th century. Gray's exploration helped solidify American presence in an area contested by other powers, notably Britain.