The significance of the Treaty of Paris (1783) in shaping the U.S. landscape post-Revolution was immense. This treaty formally ended the American Revolutionary War and recognized U.S. independence from Britain, establishing clear territorial boundaries. It granted the United States vast land stretching from the Atlantic Ocean to the Mississippi River, which facilitated westward expansion and settlement. The treaty was a crucial diplomatic achievement, enhancing the legitimacy of the new nation on the world stage. Furthermore, it set a precedent for future diplomatic negotiations and shaped American national identity and aspirations during its formative years.