Which of the following best describes the MAIN motivation that inspires settlers to
move west?
A. the discovery of gold
B. better weather conditions
C. available land
D. better jobs

C.available land

Explanation:

The land was usually very expensive in the East and there was not a lot of open plots. However, especially with the homestead act, there was a lot of large plots of land in the West. Additionally, it was very cheap. So, settlers moved West to find new land, which would give them and their families more opportunities.

i believe your answer is d)