Across
- 2. water,noise,air
- 6. worked for less and easier to manage
- 8. the amount of people increased
- 9. became too overcroweded
- 10. led to many injuries
Down
- 1. easy to manage and cheaper
- 3. movement of people cities
- 4. a place that caused many lung diseases
- 5. a place that was made for children to work
- 7. made deals with orphanages