Not 1 because fur demand definitely increased.
2
Not 3 because that came later.
4
5
The Romans really invented the modern version of a political veto in the sense that Consuls were allowed one each, because it kept political power from being spread out too much.
April 30, 1803. United States paid $11.25 million and also agreed to take on French debt of about 3.75$ million owed to American citizens. With the purchase, the United States had more than doubled its size.