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Explain why manipulation of an independent variable is a necessary component of an experiment.
William Lloyd Garrison
A prominent American abolitionist, journalist, and social reformer, known for founding the anti-slavery newspaper "The Liberator."
Frederick Douglass
An American social reformer, abolitionist, orator, writer, and statesman who after escaping from slavery in Maryland, became a national leader of the abolitionist movement.
Elizabeth Cady Stanton
A leading figure in the early women's rights movement, known for her advocacy for women's suffrage, women's rights, and abolition of slavery.
Equivocate
To use ambiguous language so as to conceal the truth or avoid committing oneself to a concrete stance.
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