In part to unite germany. he hated jews. he was a bad man
Dr Jonas Salk developwd the vaccine to prevent polio.
Our government may have become better then it is now
The women and children of New England's textile industry had many risks. Including, missing limbs from the machines, given out arches (feet), and the risk of being abused if not following the rules.
Answer:
The Great Migration was the relocation of more than 6 million African Americans from the rural South to the cities of the North, Midwest and West from about 1916 to 1970.