Question

100 POINTS PLEASE HELP ASAP!!!!

What helped Chicago grow into a major city in the 1800s?

A. the boom in canal building and railroad building

B. its incorporation of other cities' hinterlands

C. the development of wealth-producing service industries

D. its location near large oil and coal deposits

Answer 1

yes c is the answer

Answer 2

im not exactly sure but i would say C, correct me if im wrong

Step-by-step explanation: