9781422283271

Words to Understand

abolitionist a person who supported the unconditional and immediate ending of slavery in the US (considered an exceptionally radical idea before the Civil War) celestial having to do with space or the heavens gristmill a mill for grinding grain hyperbole exaggeration pension money paid to retirees Quaker a member of the Religious Society of Friends; the Quakers are a group of Christians who believe in living and worshipping simply and who are known for their devotion to pacifism and social justice

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Black Achievement in Science: Inventors