How did the US government respond to the immigration wave in the late 1800s? Congress banned all new immigrants from entering the country.
Grants were provided to assist new immigrants coming to America.
The US government worked to encourage the growing diversity.
Laws were passed to limit diversity among the immigrant population.

d.

the northwest territory became the most densely populated area in the u.s.

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populist movement, in u.s. history, politically oriented coalition of agrarian reformers in the middle west and south that advocated a wide range of economic and political legislation in the late 19th century. thus in 1892 their leaders organized the populist, or people's, party, and the farmers' alliances melted away.