The Louisiana Territory which includes the state of Louisiana and a whole lot more was purchased from France in 1803 for $15 million.
The French.
They purchased it from France.
France
seven cents
The whole territory of Louisiana (around 12 states) was owned by the Spanish, but Napoleon persuaded the Spanish to give it back to France in 1802. The Us bought the territory from Napoleon in 1803.
Cuba
1846
expansionists
If it was US TERRITORY; yes. US Military Bases and US Warships are US Territory.
April 17,1900 the American Samoa became a territory.
British territory
One important thing people born in the US territories become is a US citizen.