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The United States acquired Florida in 1819 from Spain. Spain signed the Adam Onis treaty which ceded Florida to the US and defined new territorial boundaries with Spain.
The United States now reached north to the British Canada, West to the Mississippi river, and south to Spanish Florida.
The United States acquired the territory of Florida when Spain ceded the land through the Florida Purchase Treaty. The treaty was signed by U. S. Secretary of State, John Quincy Adams and Spanish Minister, Do Luis de Onis, in 1819.
In 1783, the Treaty of Paris ended the war and recognized the sovereignty of the United States over the territory bounded by what is now Canada to the north, Florida to the south, and the Mississippi River to the west.
Pinckney's Treaty of 1795 was between the United States and Spain. The treaty allowed Americans to travel freely along the Mississippi river. It also settled any boundary disputes between the United States and Spain.
Acquisition of land for the right of way for a possible southern route for the Transcontinental Railroad.
To gain more territory for the United States
Spain sold Florida for $5 million, known as the Adams-Onis Treaty.
The US State of Florida was purchased from Spain in 1819. It became the 27th State in 1845.
The signing of the Treaty of Paris in 1898 officially ending the Spanish American War.
The United States did not gain total independence from England until the American Revolutionary War was over, and the Treaty of Paris was adopted and signed. The delegates that represented the United States to work on the treaty included John Jay, Benjamin Franklin, John Adams, Henry Laurens, and William Temple Franklin. Richard Oswald, a wealthy merchant, represented the British Government. Meeting in Paris, France, the men began their work in April of 1872. The United States Senate passed the Treaty of Paris on April 15, 1783, and the treaty was signed on September 3, 1783. The Treaty of Paris recognized the independence of the United States as a new nation.