Principal industries:

Deep-water communication with the sea.

QUESTIONS FOR REVIEW AND STUDY

1. When, how, and by whom was the site of Philadelphia acquired?

2. Compare the city of 1683 with that of to-day.

3. How does Philadelphia rank in size and manufactures among the great cities of the United States?

4. Name several advantages which have helped to make the city a great industrial and commercial center.

5. What are the leading exports of the city?