The correct answer is Treaty of Paris.
Following the treaty of 1783, Britain lost possession of 13 colonies, which became independent.
On September 3, 1783, representatives of King George III of Great Britain and representatives of the United States of America signed the Treaty of Paris in Paris, officially ending the American Revolutionary War and the overall state of conflict between the two countries. The treaty established the borders of the British Empire in North America and the United States of America, which were "extremely generous" to the latter. Details included the restoration of property and prisoners of war, as well as fishing rights. The Peace of treaty of Paris as well as the separate peace treaties signed by the United Kingdom and the nations that supported the American cause—France, Spain, and the Dutch Republic. Only the treaty that recognizes the existence of the United States as free, sovereign, and independent. The Paris Agreement is a legally binding international climate change treaty.
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