The united states acquire native american lands with such ease in the nineteenth century as by <span>Indian Removal Act made he move of tribes voluntary (either become American or let us use your territory. Thank you for posting your here. I hope the answer helps. </span>
Answer:
Some Native American tribes such as the Hopi and the Navajo used techniques such as irrigation, terracing, crop rotation, and planting windbreaks to improve their farms and crops. They used tools such as the digging stick and rake.
Explanation:
