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In September 1970, J. Edgar Hoover composed an open letter to American students detailing his view on civil unrest at the nation’s colleges and universities and warning against the elements he believed responsible. Hoover opened with...

When twenty-six-year-old Henry Knox, the Continental Army’s artillery commander, penned this letter to his wife, Lucy, on July 8, 1776, patriot morale was at a low point. The summer of 1776 was a particularly hard time as word of...

Mound Builders (Atlantic Ocean to the Mississippi River) Key Groups : Adena (500 BC), Hopewell (100 BC) Religion and Culture : Known as mound builders because they buried the dead in large earth mounds, these groups lived in small...

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Essential Question What lessons have been learned about space travel from the Challenger incident? What makes someone a hero? Materials "The Shuttle Explodes," January 28, 1986 , New York Times Speech on the Challenger Disaster,...