Well in The conquest of Italy began soon after the Romans expelled the Tarquins in 509 BC; their first target were the Etruscan's themselves. Allying themselves with other Latins and with the Greeks, the Romans quickly drove the Etruscan's from the Italian peninsula. Etruscan civilization came to a brutal end. Rome steadily conquered all the Etruscan territory throughout the 5th and 4th centuries BC.
Hope this helps you! Have a wonderful day.