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:
Hey there!
I think the answer is A. Security. As America was expanding, people went to the west for more jobs, (opportunity) and more land. Thus, they were more free to do what they wanted.
Hope this helps :)
It was used as an engine in locomotive trains, & also in steam boats. it also helped create electricity which allowed things such as morse code & synchronization of the world’s clocks.
