What was the impact of the westward expansion of settlers in the USA?

What was the impact of the westward expansion of settlers in the USA? Explain in three points.
Answer:

  • Seen from the eastcost, America seemed to be a land of promose. Its wilderness could be turned into cultivated fields.
  • Forest timber could be cut for export, animals hunted for skin, mountains mined for gold and minerals.
  • But this meant that the American Indians had to be cleared from the land.