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What was an important strategy used by the Romans to unify their empires? * 4 points building a large network of roads and bridges using powerful navies to protect sea trade routes supporting free-market economies by minting silver coins granting citizenship and voting rights to conquered peoples

Respuesta :

Answer:

Building a large network of roads and bridges

Explanation:

The Roman Empire built roads, bridges to connect and expand their empire in larger extend. The roads were often brick and included channels along the sides to prevent water from ruining roads. Romans also built bridges to connect between the city and its territories across rivers.