History and Development of Slums
1. The rise of slums in Paris, London, and New York was a defining factor of the nineteenth century with industrialization and no policies governing living conditions
2. Slums began as low-wage workers started living close to the factories where they worked
3. By the mid-nineteenth century, more than half of the New York City population lived in substandard conditions
4. New York shantytown homes were built near the waterfront with poor ventilation and no indoor plumbing