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Treaty of Paris - 1783
A settlement between the United States and the Great Britain which ended the revolutionary war and where american independence was accepted in the year 1783. This -
Louisiana Purchase - 1803
The Louisiana territory was so far the greatest deal that the United States got from France. purchasing a 214192017 hectares of land that extends US lands from the Mississippi River to the Rocky Mountains between the Canadian border and the Gulf of Mexico for 50 million francs was a steal.