The major concern of scientists who left Nazi Germany for the states before ww2 was that a new Nazi would heavily persecute the Jews ,many of whom held positions in the realm of science
Answer: Andrew Jackson killed many indians and enslaved them.
In turn, the railroads had a great impact on the steel industry. ... The rapid rise of the steel and railroad industries between the end of the Civil War and the early 1900s spurred the growth of other big businesses, especially in the oil, financial, and manufacturing sectors of the economy.
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