Thomas Jefferson
Thomas Jefferson. He approved the Louisiana Purchase which effectively doubled the size of the US.
Just one nation - Mexico.
In 1803 President Jefferson bought the Louisiana Purchase from France.
Louisiana purchase
France through the Louisiana Purchase of Jefferson's presidency.
Thomas Jefferson was the President at the time of the Louisiana Purchase. He also sent Lewis and Clark to explore the limits of the purchase.
Jefferson was president when the Louisiana Territory was purchased from France. Iowa is part of that territory.
Louisiana.
The Louisiana Territory which is most often called the Louisiana Purchase.
Thomas Jefferson, although Napoleon didn't own it. Jefferson paid France to relinquish their claim.
Louisiana.
In 1898.