The answer is The agricultural Revolution.
Answer:
Mexican Americans
Explanation:
It is c. Did some research for you. Hope this helps.
4. Most of the first pioneers that moved west did so because they wanted to escape an economic __insecurity__ in the East.
5. Many pioneers headed west to settle on ___farms___ and
the promise of cheap and abundant land ____and for the ____opportunities________________ that seemed to be waiting
