Which immigrant to the united states played an influential role in labor issues in the nineteenth century?

Mary Harris Jones

Explanation:

Mary Harris Jones was a prominent activist and union organizer, an active campaigner for the United Mine Workers in the nineteenth century. She was of Irish origin and she helped organized major strike actions across the United States.

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chronological thinking is an indispensable tool to structure a historical narrative and to give meaning to a sequence of events. the final section presents the results of a survey to test the chronological thinking of lower secondary school students carried out by the educational research institute.