It started in the 1870's and it ended in the 1950's
Hoped This Helped
Life was hard in the 1930s. There were many new diseases and the worst part was the start of the great depression.
<span>Some of the problems caused by rapid industrialization were: 1) over crowding of the cities; 2) this overcrowding under bad living conditions (dirty and unhealthy) caused health problems, many citizens got sick; 3) harsh conditions of work in factories: many hours under dirty and dangerous conditions, with low salaries, under a strict discipline, leaded fatigue, illnesses and short life expectancy of the workers; 4) child labor under not regulated and unsafe conditions.</span>