<span>American settlers took their land</span>
Manifest destiny - The idea to spread “from sea to shining sea” ( east to west)
This also ties with imperialism
Hope this helps!
The Revolution of 1776-1783 created the United States, the Civil War of 1861-1865 determined what kind of nation it would be. ... Northern victory in the war preserved the United States as one nation and ended the institution of slavery that had divided the country from its beginning