Pollution
Growth of major industrial cities produced pollution to the air and rivers. Regularly rivers that normally passed through busy areas became a container to human waste products. Sewage in various cities was washed out into the streets, and eventually found its way to rivers which resulted in catastrophic consequences. Many people caught diseases such as typhoid which is a bacteria that’s cause by rickettsias and cholera which is an acute diarrheal disease over 20,000 people died due to this outbreak. London was notorious for deadly combination of smoke and fog. All major cities ached from smoke pollution. In result of the air pollution it brought cities to a standstill, disrupted traffic and death rates rose which approximately killed 4,000 people.