In early 20th century United States urban areas the residents faced some very serious problems.
Fire was an often occuring problem, Most houses caught fire, and there was no fire department. Since most of the people who lived in urban areas were poor, if their house burned down they lost everything.
One other problem in this time was sanitation. Most cities didn't have waste management so trash was put in the streets and human waste was everywhere. This caused sickness to spread rapidly.
But along came Jane Addams and Jacob Riis! They are here to save the day and improve society for the better! Jane will fix the fire problems by forming fire departments. Jacob will solve the sanitation issue by forming city sanitation departments and sewage systems.
With the contributions of both Addams and Riis the problems were solved with lasting solutions. Even today in urban areas and in our own city we have a City Fire Department and a sanitation department.
These solutions created a modern america that we know today. Our very own city is different, imagining a world where we have no fire protection or proper sanitation is nearly impossible because we have never had to deal with it. Thanks to the contributions of Addams and Riis.