Which specifics features enabled a small village on the Tiber River come to conquer Italy and most of the Mediterranean World?

Rome and its rise to power
Countries and nations have come into power and gone off power in the world for thousands of years now. Some of these nations have been more significant than others. The ancient Roman Empire is one such significant empire that left its mark on the world and is remembered even though ages have passed since their collapse. Even though the Roman Empire emerged from a tiny town near Tiber, there were several factors that paved the way for the creation of the Great Roman...