Answer: Most likely the industrial revolution.
Explanation: The use of machines in production became more and more prevalent, eventually many factories were built in cities which caused pollution therefore making the air gross.
Answer:
African Americans did all they could to help the Union army. This was especially true after the Emancipation Proclamation, as Lincoln attempted to free slaves from the control of Confederate states. This was one of the many reasons why African Americans in the South helped Union forces.
Explanation:
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<span>Asian immigrants were viewed as too culturally different from Americans and laws were passed to restrict their numbers.
</span>The quote relates to American society's reaction to the immigrants of the late 1800s and early 1900s because Asian immigrants were viewed as too culturally different from Americans and laws were passed to restrict their numbers. An example of this is the numerous acts passed in order to restrict the numbers of Chinese immigrants in the United States.
Answer:
it is the hard outer skeleton on insects
Explanation:
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