Explain this quote by voltaire: "a witty saying proves nothing."

the results of roman expansion produced social conflict and civil war. julius caesar gained power and became a dictator but was then assassinated. the reign of augustus began a long period of imperial rule and peace in the roman empire. rome faced the problems of how to maintain peace, law, and order.

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four sitting presidents have been assassinated while in office but the first was abraham lincoln,

the government closely monitored its finances to avoid another financial collapse.