The dominant social system in medieval Europe, in which the nobility held lands from the Crown in exchange for military service, and vassals were in turn tenants of the nobles, while the peasants (villeins or serfs) were obliged to live on their lord's land and give him homage, labor, and a share of the produce, notionally in exchange for military protection.-definition of feudalism
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Mexican American reform groups such as the Community Service Organization sought change through peaceful protest- d.
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The industrial boom of the late nineteenth century led Americans and immigrants from the world over to leave farming life and head to the city.
