Touissaint L'Ouverture is most closely associated with leading the revolution in Haiti against the French, and helping Haiti win their independence.
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Answer is B, the railroad system going through the cities.
The circumradius of a cyclic polygon is the radius of the circumscribed circle of that polygon. For a triangle, it is the measure of the radius of the circle that circumscribes the triangle.
James Fenimore Cooper (1789-1851) was a prolific American writer who spent most of his life in Cooperstown, New York, near a lake surrounded by the Iroquois of the Six Nations. Cooper crafted a unique form of literature writing historical romances about frontier and indian life. He joined the U.S. Navy after being expelled from Yale after a prank in which he blew up a student's door. He wrote historical novels known as The Leatherstocking Tales.