The correct answers are:
- railroads;
- water roads;
Chicago prospered as a city in the 19th century because of its excellent location. The railroads were a very important infrastructure, and there was a railroad right there. It enabled for easy transport of goods and products all over the country as the railroad that was passing through was connecting the east and the west of the country.
Chicago is located on the shores of Lake Michigan. Through it, it is connected with the lakes Huron and Superior, which gave the opportunity the city to develop a trade through this large water bodies, as well as to use their resources.
