Which disease raced through dirty water and packed rooms?
Why did people move into industrial cities despite the conditions?
Sewers and piped clean water helped cities fight disease.
Circle one: True False
The pump handle came off and new cases stopped. What did that prove?
Snow's dots crowded around one pump on his map. What should he test next?
Counting deaths showed sickness struck hardest in foul, packed streets. What followed?
Why did mapping matter more than blaming bad air?
A poster says Victorian cities grew slowly with fine drains. What is wrong?