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A. Used coins for the first time
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Answer: Historians have identified the basic characteristics of civilizations. Six of the most important characteristics are: cities, government, religion, social structure, writing and art.
All University of California, San Francisco School of Medicine graduates who received disciplinary action from the California Medical Board between 1990 and 2000 were the subject of a case-control study.
By medical school graduating year and preferred specialty, control graduates were matched.
The National Board of Medical Examiner scores, the male gender, undergraduate grade point average, MCAT scores, medical school grades, and negative excerpts describing unprofessional behavior from course evaluation forms, dean's letters of recommendation for residencies, and administrative correspondence were the predictor variables.
The severity of unfavorable extracts was graded (Good/Trace versus Concern/Problem/Extreme). The outcome factor was disciplinary action taken by the state board.
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The end of the First World War in 1918 was a time of great social and economic transition that led directly to what made the 1920's “The Roaring Twenties.” ... Technological advancements, urbanization, and immigration led directly to the social upheavals of the 1920s.