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Ohio and Erie Canal
(Encyclopedia)Ohio and Erie Canal, former waterway of Ohio, 307 mi (494 km) long, between Lake Erie at Cleveland and the Ohio River at Portsmouth; built 1825–32. It utilized part of the courses of the Cuyahoga, M...Netherlands, Austrian and Spanish
(Encyclopedia)Netherlands, Austrian and Spanish, that part of the Low Countries that, from 1482 until 1794, remained under the control of the imperial house of Hapsburg. The area corresponds roughly to modern Belgi...Ashmore and Cartier Islands
(Encyclopedia)Ashmore and Cartier Islands ăshˈmōr, cärˌtē-āˈ [key], unhabited tropical islands, 2 sq mi (5 sq km), E Indian Ocean, a dependency of Australia located 190 mi (300 km) NW of N Western Australia...Kentucky and Virginia Resolutions
(Encyclopedia)Kentucky and Virginia Resolutions, in U.S. history, resolutions passed in opposition to the Alien and Sedition Acts, which were enacted by the Federalists in 1798. The Jeffersonian Republicans first r...Mason and Slidell Affair
(Encyclopedia)Mason and Slidell Affair: see Trent Affair. ...Merovingian art and architecture
(Encyclopedia)Merovingian art and architecture mĕrˌəvĭnˈjēən [key]. This period is named for Merovech, the founder of the first Germanic-Frankish dynasty (c.a.d. 500–a.d. 751). The Merovingian period was m...art conservation and restoration
(Encyclopedia)art conservation and restoration, the preservation of structurally sound works of art, the halting of processes that lead to the damage of works of art, and the repair of already damaged works of art....Lorraine, Lower and Upper
(Encyclopedia)Lorraine, Lower and Upper: see Lotharingia. ...perfluoroalkyl and polyfluoroalkyl substances
(Encyclopedia)perfluoroalkyl and polyfluoroalkyl substances (PFAS), a group of several thousand synthetic organic chemical compounds made up of a chain of carbon atoms bonded to fluorine atoms. PFAS, which resist w...rock carvings and paintings
(Encyclopedia)rock carvings and paintings, designs inscribed on rock surfaces and huge stone monuments in many parts of the world by prehistoric or preindustrial peoples. They have been found on every continent and...Browse by Subject
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