1. Fugitive Slave Act, 2. Gold mining, 7. Population growth led to sanitation are the only ones I know, sorry I couldn't help you more<span>
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Answer:
African American soldiers in the US looked to seek to stop segregation. They hoped by contributing in war that they would be able to make people in the US think they should deserve equal rights.
The middle class had more power, traveling was safe, etc.
