Which city attracted many immigrants in the late nineteenth century as it became the center of steel production and coal mining in the united states)

Youngstown

Explanation:

In the late 1800s, the first steel mills were constructed in Youngstown, signaling the new influence of that industry on the city's development. The new industry attracted many immigrants to the community, including Poles, Italians, and Hungarians. In the early twentieth century, steelworkers began to demand better wages and working conditions. There were a number of strikes in this era.

Resource Used: https://ohiohistorycentral.org/w/Youngstown,_Ohio

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it provided for selection of government employees through competitive examinations. it also made it unlawful to fire or demote covered employees for political reasons or to require them to give political service or payment, and it set up a civil service commission to enforce the law.

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