The Roman Conquest of Italy

In the years following the establishment of the republic, the Romans fought numerous wars with their neighbors on the Italian peninsula. The Roman army was made up primarily of citizens of Rome, who were organized for military campaigns into legions. War also involved diplomacy, at which the Romans became masters.

In 387 B.C.E. the Romans suffered a major setback when the Celts — or Gauls, as the Romans called them — invaded the Italian peninsula from the north and sacked the city of Rome. The Celts agreed to abandon Rome in return for a thousand pounds of gold. In the century that followed, the Romans rebuilt their city and recouped their losses. They brought Latium and their Latin allies fully under their control and conquered Etruria. In a series of bitter wars the Romans also subdued southern Italy and then turned north. Their superior military institutions, organization, and manpower allowed them to conquer or bring under their influence most of Italy by about 265 B.C.E. (Map 6.1).

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MAP 6.1Roman Italy and the City of Rome, ca. 218 B.C.E.As Rome expanded, it built roads linking major cities and offered various degrees of citizenship to the territories it conquered or with which it made alliances. The territories outlined in green that are separate from the Italian peninsula were added by 218 B.C.E., largely as a result of the Punic Wars.

As they expanded their territory, the Romans spread their religious traditions throughout Italy, blending them with local beliefs and practices. Religion for the Romans was largely a matter of honoring the state and the family. The main goal of religion was to secure the peace of the gods and to harness divine power for public and private enterprises. Religious rituals were an important way of expressing common values, which for Romans meant those evident in their foundation myths: bravery, morality, seriousness, family, and home. Victorious generals made sure to honor the gods of people they had conquered and by doing so transformed them into gods they could also call on for assistance in their future campaigns. As the Romans conquered the cities of Magna Graecia, the Greek deities were absorbed into the Roman pantheon.

Once they had conquered an area, the Romans did what the Persians had earlier done to help cement their new territory: they built roads. Roman roads facilitated the flow of communication, trade, and armies from the capital to outlying areas.

In politics the Romans shared full Roman citizenship with many of their oldest allies, particularly the inhabitants of the cities of Latium. In other instances they granted citizenship without the franchise, that is, without the right to vote or hold Roman office. These allies were subject to Roman taxes and calls for military service but ran their own local affairs.