Answer: The early 20th century was an era of business expansion and progressive reform in the United States. The progressives, as they called themselves, worked to make American society a better and safer place in which to live. They tried to make big business more responsible through regulations of various kinds. They worked to clean up corrupt city governments, to improve working conditions in factories, and to better living conditions for those who lived in slum areas, a large number of whom were recent immigrants from Southern and Eastern Europe.
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Vice President Tyler assumed the presidency after the death of President William Henry Harrison using the implied powers clause of the Constitution, though later the 25th Amendment would state that in the “case of the removal of the president from office or of his death or resignation, the vice president shall become president.”
In the presidential election of 1840, the Whig Party elected Tyler as vice president along with the candidacy of William Henry Harrison. John Tyler took the position of president, after the sudden death of Harrison. This makes him the tenth President of the United States, from 1841 to 1845.
Chemical Hazard Communication U.S. Department of Labor
<span>Occupational Safety and Health Administration.</span>
Native Americans didn't have the same idea of land ownership that white settlers held. Native Americans held the idea of territory, but the idea that one could "own" the land was outside of their understanding of how the world works.