People like to think that life was better in the past.

People like to think that life was better in the past. The air was cleaner, the water was purer, life was safer and, certainly, it was cheaper. But were the good old days really so good? Probably not. Many of todays problems existed in the past, and there were other problems then that we rarely face today.
Pollution was a very important problems for city governments in the 19th century, particularly with regards to water supplies. They had some idea that water could be polluted, but they didnt know how. Trying to get pure water was a big problems.
The cities of the 19th century were dirty. There was a lot of pollution from horses and other animals. And people were careless about throwing out litter. Communicable diseases were a big
Problem. There was malaria, cholera, and typhoid. A lot of children died when they were very young. While there were no cars to kill people, there were many fatalities and injuries caused by runaway horses.
According to the 2nd paragraph
a-The only problem that city government had was water pollution
b- They knew the reason of water pollution
c-The city governments problem was getting clean water
According to the 3rd paragraph
a-a lot of children died of catching disseases
b-people didnt t throw our litter
c-all the diseases were caused by horses