Answer:
Pollution increased, and people were made to work long and hard hours in factories.
Explanation:
Upon the industrial revolution making its wake, it was a mostly good change. Though, the pollution that began and the unbearable hours people had to work were a few bad things caused by the revolution.
The level of immigration between 1930 and 1945 is most directly related to the Great Depression and World War ll. Due to the poor economy with little opportunity for better living standards, very few people were willing to immigrate to the USA.
B and c brainliest pleaseeee
I think it is A. Because the factory owners would do anything to make more money. (they were greedy)