Draw Conclusions which steps did urban planners take to combat the spread of contagious diseases such as cholera and typhoid fever?

What role did the alliance system play in preventing austria-hungary and serbia from coming to a compromise settlement?

The television had many impacts after it's invention. which of the following describes impacts of television? -brought people together -allowed people to see others-people saw america as the land of plenty- all the above

Who were the only people that were not allowed to be a citizen in the roman empire