<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>
The answer is D. after independence
Answer:
currents
Explanation:
currents can be cause by wind,density differences in the water caused by temperature and salinity variations. L
