Zusammenfassung der Ressource
Decline in death rate
- Improved nutrition
- Healthier
Lifestyle
- Smaller families
- Reduces the rate of infection transmission
- Less people to die
- Greater public
knowledge of causes of
illness
- Technological Advancements
- Medical
- Keeping people alive
- Mass vaccination
- Less diseases
- More medical help
- Decline of more manual occupations
- Mining
- Higher incomes
- Healthier lifestyle
- Public Health measures
- Clean Air Act