The Romans overthrew the Etruscans in 509 B.C.E. 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. The highest positions in the government were held by two consuls who ruled the Roman republic. A senate composed of Patricians elected these consuls and at this time, lower-class citizens, or plebeians, had virtually no say in the government. Both men and women were citizens in the Roman Republic, but only men could vote. Under certain circumstances, the senate and the consuls could appoint a temporary dictator to rule for a limited time until the crisis was resolved. One of the innovations of the Roman Republic was the notion of equality under the law. In 449 B.C.E., government leaders carved some of Rome 's most important laws into 12 great tablets. During the last three centuries of the republic, Rome experienced a long series of civil wars, economic as well as political issues, and civil crisis caused by the dictatorship of Julius Caesar. After Caesar’s death, another civil war broke out destroying what was left of the Roman republic. Caesar’s adopted son, Octavian, joined forces with a general named Mark Antony and a politician named Lepidus. They took control of Rome for ten years as the Second triumvirate. The alliance ended in violence and jealousy. Octavian forced Lepidus to retire and then became rivals with Mark Antony. Octavian believed Mark Antony was plotting to rule Rome from Egypt,…