The difference is:
1. An ecoregion is an area that is known for its environmental conditions, landscapes, and soil
2. A region is an area that is part of a country or some parts of the world
<span>Factors contributing to the west ward expansion of the United States include the discovery of gold, the Homestead Act, and the desire for adventure, land and riches. The answers are the third, fourth and fifth statements among the choices that you have included or posted.</span>
Answer:
Hey! Your answer should be B. Imperialist
A. russia hope you make a 100 have a great dayt
