Answer:
It looks like children working in a coal mine so i guess Gases, Mines could collapse, and possibly get sick from fumes or something.
Answer:Unified Native Americans in the war of 1812 to keep Americans from settling in
Native territory
Explanation:
“Chinese received 30-50 percent lower wages than whites for the same job and they had to pay for their own food stuffs,” Chang says. “They also had the most difficult and dangerous work, including tunneling and the use of explosives. There is also evidence they faced physical abuse at times from some supervisors.
