Answer:
Today most Americans live in cities or suburbs, but from colonial times into the early ... into tenement houses, apartment buildings with tiny rooms, no ventilation, and poor sanitation. ... the arts, and immigration, a magnet that drew to it much of the best and most ... The Gilded Age and the Second Industrial Revolution.
Explanation:
https://www.khanacademy.org
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My name is Kari how can I help you because I can help 124.
In the late 1860s, thousands of Chinese men were employed doing similar work in California and Utah. These men were likely <u>mining for gold.</u> Back then, California and Utah had mine shafts filled with gold. Even the rivers contained gold. Now, it's all out.
So B is definitely not correct. A is not super important. Gotta wither be C or D but it is probably C because that is why they did revisions to the AoC because they needed a new system.
Answer: C