Seismic waves can be measured and recorded by devices called these devices record the seismic wave vibrations as jagged lines on paper. the stronger the vibrations, the more jagged the lines. these recordings are called

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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