There was nothing in the constitution about buying land.
He purchased the Louisiana territory from France!
According to most textbooks, Napoleon Boaparte offered the Louisiana Territory. As quick as a flash, Thomas Jefferson told Bonaparte that he will buy it.
France, Napoleon Bonaparte
The Louisiana Territory was purchases from Napoleon Bonaparte of France.
President Thomas Jefferson purchased the Louisiana Territory from Napoleon Bonaparte (French Emperor).
Thomas Jefferson
because napoleon wanted too
YES. The sale of the Louisiana Territory was concluded between Napoleon and Jefferson.
US President Thomas Jefferson concluded a treaty with Napoleon to buy the Louisiana Territory.
Thomas Jefferson
Napoleon Bonaparte sold New Orleans along with the Louisiana Territory to President Jefferson in the 1880's.
Thomas Jefferson, although Napoleon didn't own it. Jefferson paid France to relinquish their claim.