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How did the enlightenment change attitudes about existing political systems

How could a works-cited list a reader determine whether to believe the claims you make in an essay? a. by synthesizing your conclusions into a simple objective summary o b. by proving that your claims are supported with credible evidence ) c. by allowing you to make claims without quoting other writers o d. by providing a clear organizational structure to your essay

Which statement best describes the effect of urbanization in the late 19th century?