About 400 years.
The wars that established ancient Rome as the major power in the western Mediterranean were the three Punic wars fought against Carthage.
Soon after the defeat of Carthage during the Third Punic War in 146 BC.
There is no city by the name of Knosseus, at least not a major one. If you are asking about the city of Knossos, well no, it was not any reference to a major city in Rome. It was the capital of the Minoan kingdom of Crete. It flourished in the bronze age; the first Mediterranean civilization long before the Romans.
When Carthage and Rome were allies, Carthage was a sea power, Rome a land power. Rome had to organise a fleet when war broke out with Carthage.
Augustus was Rome's first emperor, and he came to power in 27 BC.
The wars that established ancient Rome as the major power in the western Mediterranean were the three Punic wars fought against Carthage.
Rome's location helped it become a great power because; 1: It was located along the Mediterranean Sea, this gave Rome and advantage at seeing attackers before they reached the city. 2: Rome was sandwiched between other powerful Empires, these Empires provided Rome with protection.
During the Republic it was the Senate, then after Augustus became Emperor, there was a long line of Emperors who were in charge of Rome.
The major river of Rome is the Tiber River.
Rome was a power in Europe for about 600 or 700 years.
Rome captured the city of Veii, an Etruscan city located about 16 kilometers northwest of Rome, after a long siege that lasted from 397 to 396 BC. The capture of Veii was significant as it marked a major expansion of Roman territory and influence in the region. This victory also showcased the military prowess of Rome and contributed to its rise as a dominant power in Italy.
Ancient Rome had many famous generals who increased Rome's prestige and power throughout the world in its long history. Here are some of them: Scipio, Marius, Sulla, Pompey, Caesar and Agrippa who was the general for Augustus/Octavian.
There are no major cities in Rome - Rome is a city, the capital city if Italy. (It you meant to ask - "What are the major cities of the ancient Roman Empire" - then ask this as a separate question).
Carthage was eliminated as a competitor for power in the Western Mediterranean. Rome established itself as a major power, and began to intervene in the Eastern Mediterranean.
Wealth and military power have long been the decision in becoming a major power in Western Europe and the world.
Rome was at its peak of its power during the reign of Augustus.
Rome, Italy is a city.