civilizations based on irrigation

  • 31South America — South American. a continent in the S part of the Western Hemisphere. 271,000,000; ab. 6,900,000 sq. mi. (17,871,000 sq. km). * * * Continent, Western Hemisphere. The world s fourth largest continent, it is bounded by the Caribbean Sea to the… …

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  • 32American Indian — 1. Indian (def. 1). 2. Amerind (def. 2). Abbr.: AmerInd [1725 35] Usage. See Indian. * * * or Native American or Amerindian Any member of the various aboriginal peoples of the Western Hemisphere, with the exception of the …

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  • 33Peru — Peruvian /peuh rooh vee euhn/, adj., n. /peuh rooh /, n. 1. Spanish, Perú /pe rddooh /. a republic in W South America. 24,949,512; 496,222 sq. mi. (1,285,215 sq. km). Cap.: Lima. 2. a city in N central Indiana. 13,764. 3. a city in N Illinois. 10 …

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  • 34Spain — /spayn/, n. a kingdom in SW Europe. Including the Balearic and Canary islands, 39,244,195; 194,988 sq. mi. (505,019 sq. km). Cap.: Madrid. Spanish, España. * * * Spain Introduction Spain Background: Spain s powerful world empire of the 16th and… …

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  • 35work, history of the organization of — Introduction       history of the methods by which society structures the activities and labour necessary to its survival. work is essential in providing the basic physical needs of food, clothing, and shelter. But work involves more than the use …

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  • 36Aztec — For other uses, see Aztec (disambiguation). The Aztec Pyramid at St. Cecilia Acatitlan, Mexico State …

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  • 37History of Iran — see also Kings of Persia · Timeline of Iran Antiquity …

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  • 38political system — Introduction       the set of formal legal institutions that constitute a “government” or a “ state.” This is the definition adopted by many studies of the legal or constitutional arrangements of advanced political orders. More broadly defined,… …

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  • 39Mesoamerican chronology — divides the history of pre Columbian Mesoamerica into several periods: the Paleo Indian (first human habitation–3500 BCE), the Archaic (3500–2000), the Preclassic (2000 BCE–200 CE), the Classic (200 CE–1000CE), and the Postclassic (1000 CE–1697… …

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  • 40Civilization III — Sid Meier s Civilization III Developer(s) Firaxis Games, Westlake Interactive (Mac OS, original), and Aspyr (Mac OS, Complete) …

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