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        | Lekson’s theory of the Chacoan state |  
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        Definition 
        
        | He believed that the Anasazi leaders planned their cities latitudinally as if they were working together, acting as a state than separate civilizations |  
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        | human bones have been found near chaco canyon that had similar markings to those of animal bones. suggesting the consumption of humans (may be used as an intimidation) |  
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        Term 
        
        | The Great drought and its impacts |  
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        Term 
        
        | The case for inter-group violence and raiding in the Anasazi area |  
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        Term 
        
        | Childe's Urban Revolution |  
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        Definition 
        
        | full time crafts people including metallurgists need for increased production of food (surplus)-producers not self sufficient; metal tipped plow invented, need for traders, need for accountants to keep track of surplus and leaders to allocate it |  
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        | Boserup's population pressure theory |  
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        Definition 
        
        | knowledge, technology and population growth led to agricultural development |  
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        | Karl Wittfogel- the hierarchical power structure of states comes from the management needs associated with large-scale irrigation -Most important explanation for the emergence of civilization was the emergence of the system of water control |  
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        Term 
        
        | Cairnero's theory concerning the organizational requirements of warfare |  
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        Definition 
        
        | hierarchical power structure of states comes from the management needs of warfare |  
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        Term 
        
        | Theories of the Mayan collapse |  
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        | Patrick Culbert's theory of the Mayan collapse |  
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        | Maritime foundations hypothesis |  
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