Answer: In the late 1800s and early 1900s, the spreading diseases were the problems faced by urban residents.
Step-by-step explanation:
Hi, as American urban areas industrialized all through the nineteenth century, diseases became a real threat. The arrival of new immigrants and the development of huge urban zones enabled recently localized diseases to spread rapidly and contaminate bigger populaces. Towns developed into urban communities as industrialization started urban relocation from rural communities in both the US and Europe.