Answer:
Water.
Explanation:
When a Tsunami is forming there is a rapid rise and fall in the waters waves.
More and more people moved westward to claim lands that were once inhabited by Native Americans. This was encouraged by the government. This also led to several conflicts with Indians that would later lead to a war between the Indians and U.S. army. In the end, the west was completely settled completing the U.S. expansion to that area.
Answer:Joe Biden should be president
Explanation:
