6. Name the advantages which Chicago enjoys on account of its location.
7. What are the great wheat-growing states of the United States?
8. Give reasons for the development of the following industries in Chicago:
| Iron and steel industries |
| Meat packing |
| Lumber trade |
9. What are the advantages of water transportation over rail transportation?
10. In what respects is rail transportation better than water transportation?
11. Why was Chicago willing to spend millions of dollars to improve her water supply? How was this done?
12. Where are the workers secured to carry on the great industries of Chicago?
13. Make a table, by measurement of a map of the United States, showing the distance from Chicago to the following places: