[Non-Sequitur]

Wouldn't NASA be a decedent of Virginian President Jefferson using federal money to finance a scientific/exploration expedition of two other Virginians named Louis and Clark?

Forget Lewis and Clark, what clause of the Constitution explicitly allowed Jefferson to buy Louisiana?

[Ditto]

Forget Lewis and Clark, what clause of the Constitution explicitly allowed Jefferson to buy Louisiana?

LOL. As I recall reading, Jefferson himself didn't think he was authorized to do so, but it was just too good of a deal to pass up. ;~))

Apparently, everyone else agreed and no one ever challenged it.