During the Hellenistic Age, Archimedes made advancements in "mathematics"--specifically in the realm of geometry, since he developed innovative ways to calculate volume, area, etc.
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The progressive era brought significant reforms to American industrial capitalism and to the American political system, through participation and activism by ordinary Americans. The progressives had organized to improve the working and living conditions for poor people, only really to address the glaring social and environmental problems, as well as expand opportunies for democratic involvement in the political system.
Prejudice, land, and gold was found on the land that native Americans were on.
