It all began when the Romans overthrew their Etruscan conquerors in 509 B.C.E. Centered north of Rome, the Etruscans had ruled over the Romans for hundreds of years. Once free, the Romans established a republic, a government in which citizens elected representatives to rule on their behalf.
Before Japan bombed parole harbor we didn't want to get involved in any of it. so the answer is D because that's when we got involved with other countries again.
