Answer: columbian exchange
Explanation:
No one knows who wrote the notes
The Americans had won and they became allies with France. Also, they felt victorious.
Answer:
At the surface, the warm soup spreads out and cools, becoming denser. Gravity pulls this cooler, denser soup down to the bottom, where it is heated again and begins to rise.
(the soup is just an example)
Hope this help's sorry if i'm wrong.
Explanation: