| Term 
 | Definition 
 
        | A CULTURE THAT HAS DEVELOPED COMPLEX SYSTEMS OF GOVERNMENT, EDUCATION AND PEOPLE LIVING IN  LARGE CITIES. |  | 
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        | Term 
 | Definition 
 
        | AN AMOUNT GREATER THAN WHAT IS NEEDED |  | 
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        | Term 
 | Definition 
 
        | TO SPEND MOST OF ONE'S TIME DOING ONE KIND OF JOB. |  | 
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        | Term 
 | Definition 
 
        | A SCIENTIST WHO LOOKS FOR AND STUDIES EVIDENCE FROM LONG AGO. |  | 
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        | Term 
 | Definition 
 
        | A LARGE AREA OF DIFFERENT GROUPS OF PEOPLE CONTROLLED BY ONE RULER OR GOVERNMENT. |  | 
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        | Term 
 | Definition 
 
        | A PAYMENT IN THE FORM OF VALUABLE GOODS. |  | 
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        | Term 
 | Definition 
 
        | THE PRACTICE OF OWNING PEOPLE AND FORCING THEM TO WORK. |  | 
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        | Term 
 | Definition 
 
        | AN OBJECT LEFT BEHIND BY PEOPLE WHO LIVED LONG AGO. |  | 
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        | Term 
 | Definition 
 
        | A LONG PERIOD OF VERY LITTLE RAINFALL. |  | 
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        | Term 
 | Definition 
 
        | A METHOD BY WHICH WATER IS BROUGHT INTO DRY AREAS. |  | 
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