The correct answer to this question is: 2, 4
Railroads allowed for the expedient movement of much needed raw goods on the front end and movement of finished goods at the back end allowing the industry to grow.
Arizona,California,Delaware,Florida,Ilinois, Indiana,Kansas,Maine,Minnesota,New Mexico,North Carolina,Oregon,Virginia,West Virginia,Wisconsin
The answer would be B) These inventions led to increased business productivity and economic growth
I hope this helps :3
C because i have done this question and got it right
