prograssive movement (24 feb 1890 año – 24 oct 1920 año)
Descripción:
The Progressive Movement was an effort to cure many of the ills of American society that had developed during the great spurt of industrial growth in the last quarter of the 19th century. The frontier had been tamed, great cities and businesses developed, and an overseas empire established, but not all citizens shared in the new wealth, prestige, and optimism.
sorce u.s history
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