France.
Louisiana was a French territory purchased by United States in 1803; Louisiana was not a Spanish territory.
It was purchased by Thomas Jefferson of the united states FROM Napolean of France.
United States
The United States purchased NO country or territory from Florida (Florida is part of the United States).
Louisiana was a French territory purchased by United States in 1803, without military force.
The US purchased the Louisiana Territory from Napolean (France) for about 68 million Francs.
The Louisiana Territory, which comprised much of the central and midwestern United States, from Louisiana in the south up to the dakotas in the north.
Thomas Jefferson was the president when the United States acquired the Louisiana Territory. The territory was purchased from France in 1803, in what is known as the Louisiana Purchase.
The United States purchased Louisiana from France in 1803 for about $15 million.
Louisiana was a French territory purchased by United States in 1803, without military force.
France ,under Napoleon, sold the Louisiana Territory to the US for $15 million in 1803.
The Louisiana Territory had been a land purchase transaction by the United States of America of 828,800 square miles of the French territory "Louisiane" in 1803. The U.S. paid 60 million francs ($11,250,000) plus cancellation of debts worth 18 million francs ($3,750,000), a total cost of $15,000,000 for the Louisiana Territory.