What started to develop along the railroads out West? A. indian reservations
B. gold mines
C. toll roads
D. towns and cities​

I would say gold mines but not sure

the american revolution was by the middle and upper class, and the french was by the lower and middle class.

the right answer is the end of world war ii

after the end of a global wwii all the nations involved, in an attempt to create an organization to maintain world peace. this agreement would work settling international disputes via negotiation and arbitration instead of leading the issues escalate to another war.