Question

Can someone help me with these?

Answer 1

Answer:

b

Explanation:

Answer 2

If the change is the Industrial Revolution:

transcontinental railroad: helped to transport goods and get across the country

US army: helped to protect the US and make sure no one is going to break the new amendments

Discovery of resources in western land: Allowed the US to be able to expand and people would be able to live, could also give the US more money