The city of Carthage.
Carthaginians
Rome conquered Carthage
Between those dates, Rome conquered all of Italy, including the territory of the Sabines and the Greek colonists. It also conquered all of the lands belonging to the Carthagineans, the third and final Punic War ended in 146 B.
146 BCE saw the defeat of Carthage, Macedon and the Corinthian league. Rome destroyed Carthage and Corinth, and annexed north Africa and Macedon.
Rome conquered most of Europe between 264 BC and 44 BC
About 600 B.C, a people called the Etruscans conquered Rome.
Rhaetia was conquered in 15 BC.
The battle that destroyed Hannibal as a threat to Rome was the Battle of Zama in 202 BC.
Rome first started as a city, and then they conquered all of what is now Italy. In 133 BC, the empire consisted of Gaul, the Iberian Peninsula, and Greece. In AD 117, the empire consisted of Northern Africa, Egypt, central Europe, Britain, and all of modern day Turkey, the greatest extent of the empire. Basically, the Roman Empire conquered lands all around the Mediterranean Sea.
Rome annexed mainland Greece in 146 BC
Etruscans
The battle of Zama, in Numidia, in 202 BC is where Scipio overcame Hannibal and his threat to Rome.