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The United States expropriated from Panama additional areas around the soon-to-be-built Madden Dam and annexed them to the Panama Canal Zone. [365] [373] Caribbean Sea: May 3, 1932 The United States adjusted the border at Punta Paitilla in the Canal Zone, returning a small amount of land to Panama. This was the site for a planned new American ...
The United States formally ends its occupation of Cuba, May 20, 1902 The United States seizes opportunity to build a ship canal across the Isthmus of Panama , January 22, 1903 – August 15, 1914 The United States and the Republic of Colombia sign the Hay–Herrán Treaty , January 22, 1903
United States territory can also include disputed territory, which is a geographic area claimed by the United States of America and one (or more) rival governments. Under the Hague Conventions of 1899 and 1907, United States territory can include areas occupied by and controlled by the United States Armed Forces. When de facto military control ...
Accession Date Area (sq.mi.) Area (km 2.) Cost in dollars Original territory of the Thirteen States (western lands, roughly between the Mississippi River and Appalachian Mountains, were claimed but not administered by the states and were all ceded to the federal government or new states by 1802)
The 6th article of the treaty of cession contains the following provision: "The inhabitants of the territories which His Catholic Majesty cedes the United States by this treaty shall be incorporated in the Union of the United States as soon as may be consistent with the principles of the Federal Constitution and admitted to the enjoyment of the ...
In 1845, Texas joined the United States and in 1867 the United States acquired Alaska from Russia. The last major territorial change occurred when Newfoundland joined Canada in 1949, [ 2 ] but there have been a number of small adjustments like the Boundary Treaty of 1970 where the city of Rio Rico, Texas , was ceded to Mexico.
This is an accepted version of this page This is the latest accepted revision, reviewed on 4 March 2025. "American history" redirects here. For the history of the continents, see History of the Americas. Further information: Economic history of the United States Current territories of the United States after the Trust Territory of the Pacific Islands was given independence in 1994 This article ...
The territory of the United States and its overseas possessions has evolved over time, from the colonial era to the present day. It includes formally organized territories, proposed and failed states, unrecognized breakaway states , international and interstate purchases, cessions , and land grants , and historical military departments and ...