Why were Native Americans considered by the federal government to be an impediment to western development?

What policies were adopted by Congress to speed the “ethnic cleansing” of the trans-Mississippi west? What policies did the federal government adopt to promote rapid economic growth in the west?

Look up Indian Removal Act of 1830

Tell your teacher I said hi.

Arthur, here's a good policy. Quit trying to get us to do your homework for you ! Get off the computer and go open your textbook for a change.

Tell your teacher to ask you another question if you can not answer