An influx of people meant the risk of overcrowding, which in turn meant that cities often didn’t have enough space to accommodate everyone. People living in close quarters without proper hygiene + newly or poorly developed sanitation systems = disease.
Answer:
the Declaration of Independence
Explanation:
thats easy thats the start of the United States its our foundation of the country
Circadian Rhythm? I might be completely wrong
Answer:
these are religions that you have to learn you can research it online