the louisiana purchase,
the Constitution never said that the president has authority to make land purchases
the Constitution never said that the president has authority to make land purchases.
Thomas Jefferson
It was when the French sold Land to President Jefferson
President Jefferson had sent them out to explore the land.
Because France need money to fight in wars they were in they agreed to sell a large portion of their land in America to President Jefferson. It is known as the Louisiana Purchase.
president Jefferson send Lewis and Clark on an expedition to the west because president Jefferson wanted to learn as much as he can he could about the land (Louisiana) he bought.
a slave breeding farm
Washington and Jackson did a lot of land speculation. Maybe Jefferson and others as well.
The land you seek was the Louisiana Purchase
Napoleon. He needed the money to fund his war shenanigans so he sold all his uncolonized land in North America to Thomas Jefferson.