Answer:
The Louisiana Purchase encompassed 530,000,000 acres of territory in North America that the United States purchased from France in 1803 for $15 million. ... This situation was threatened by Napoleon Bonaparte's plans to revive the French empire in the New World. He planned to recapture the valuable sugar colony of St.
Im pretty sure its B Cecil Calvert
Leonardo da Vinci contributed to the inventions/ideas would be the Parachute and Flying Machine.