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The Stone Age was a broad prehistoric period during which stone was widely used to make tools with an edge, a point, or a percussion surface. The period lasted for roughly 3.4 million years,[1] and ended between 4,000 BCE and 2,000 BCE,[citation needed] with the advent of metalworking.
Baron de Montesquieu, Voltaire, Jean-Jacques Rousseau and Denis Diderot were the 5 famous french philosophers
Missouri admitted as a slave state.Maine admitted as a free state.Slavery disallowed in future territories north of 36°30' except within Missouri itself.