<span>Disease and pollution: improper sewage disposal, contaminated drinking water triggering epidemics of typhoid fever and cholera; fires; overcrowding; and jobs where the causes of urban living in the late 1800s</span>
The factors that led to the surprise strategic attack of Pearl Harbor was due to many reasons, among which the Japanese imperialistic tendencies were the most obvious one. The Japanese really wanted to have control over those portions of the Pacific which is also the reason why they attacked Pearl Harbor.
