What effect did the development of new western states have on native Americans in 1820?

Explanation:

Conflict and Consequences of "Western Expansion"  Iowa has no Indian reservations, land owned by the U.S. government but Because they are not subject to state laws, the tribe opened a very successful casino that has brought a new  American Indians have a significant story in Iowa history and are a vibrant part of

As ranchers, miners, and farmers moved onto the Plains, they deprived Native Americans of their hunting grounds, broke treaties, and forced relocation. Native Americans attacked wagon trains, stagecoaches, and ranchers. Occasionally an entire group would go to war against nearby settlers and troops.

The settlers became successful farmers and built housing and factories. Unfortunately, the Native Americans lost their land and had to live on small reservations. In conclusion, the Westward Expansion led to America becoming a superpower.

Explanation:

the authority to tax.

c, because the american revolution was from 1765 to 1783.