What did jacob riis's book do?
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a. supported anti-immigration laws
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b. told about life in the slums
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c. got police to visit the slums
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d. poor people get better jobs
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Human rights groups in the 20th century worked to: o a. european imperial powers maintain control over their colonies. o b. convince citizens in impoverished countries to embrace nationalism. o o o o c. ensure that people around the world were protected from brutal treatment. o d. weaken the influence of international organizations like the united nations. sub