; Abundant labor supply<span>; Railroads; </span>Labor<span> saving </span>technological<span> advances
are some answers
</span>
Https://www.globalsecurity.org/military/ops/vietnam2-opposition.htm
Hope this helps
I believe the answer is A.
Democracy, or power by the people. This was founded in Ancient Greece and is still used today.
B) False, because the revolution pushed Americans to want to expand westward.