Which best describes the governments response to labor unions

The labor movement usually brought violence and anger, which led the government to use force against the Unions which often instigated the violence. ... The government reacted to this by using special deputies to handle the mail, who used violence to force the Labor Union to end the strike.

The government rarely intervened in times of labor conflicts.

Explanation:

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its main object was the establishment of "settlement houses" in poor urban areas, in which volunteer middle-class "settlement workers" would live, hoping to share knowledge and culture with, and alleviate the poverty of, their low-income neighbors.