Answer: Blaise Pascal
Explanation: For years historians considered the inventor of the first mechanical calculator to be the French mathematician, philosopher, and apologist Blaise Pascal (1623-1662). To assist his father's work as a tax collector, the 19-year-old Pascal created a mechanical device that performed simple addition and subtraction.
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Answer:
Height of power, systematic weaknesses.
Climatic worsening and plague.
Crisis of the Third Century.
Reunification and political division.
Growing social divisions.
Explanation:
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