The major political change that occurred with the signing of the Treaty of Paris in 1783 was the recognition of American independence from British colonial rule. This treaty officially ended the American Revolutionary War and marked the establishment of the United States as a sovereign nation. The British relinquished control over territory that stretched from the Atlantic Ocean to the Mississippi River. This pivotal moment not only reshaped the political landscape of North America but also inspired other countries and movements seeking independence and democratic governance, laying the groundwork for future democratic ideals.