Examlex
List at least six chemicals that are released into the atmosphere when a volcano erupts.
David Walker
An African American abolitionist, writer, and anti-slavery activist who published an appeal in 1829 calling for the end of slavery and for equal rights for black people.
Violent Uprising
An aggressive and often armed rebellion against an authority or government.
Slavery
A system in which individuals are owned by others, deprived of personal freedom, and compelled to work without wages.
John Brown's Raid
An armed insurrection led by abolitionist John Brown in 1859, targeting the federal armory at Harpers Ferry, Virginia, intending to initiate a slave rebellion.
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