What new technology was used by the Germans in the Atlantic that hurt trade and damaged ships by the Allies?

Sonar
Torpedos
U Boats
poison gas

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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brainliest?

men and women were able to be citizens, but women did not have all of the rights of men including voting and holding office. slaves could be if they were freed.