late 18th-early 19th century
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Gunboat
Gunboats were small, shallow-draft vessels armed with one or two heavy guns, designed for coastal defense and shallow-water combat rather than open-ocean operations. The United States built a fleet of gunboats used in the Barbary Wars against Tripolitan corsairs in the early 19th century.
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Baltimore Clipper
The Baltimore Clipper was a sharp-built, fast schooner-rigged vessel developed in Chesapeake Bay shipyards, renowned for outrunning larger warships. American privateers relied heavily on Baltimore Clippers during the War of 1812 to evade the British blockade and capture merchant prizes.