Definition: This is the portion of the Christian Bible that begins with the life of Jesus

The New Testament

Explanation:

There are two main portions of the bible. The first is the Old Testament which is basically everything before Jesus. The New Testament is what includes the life of Jesus.

no

explanation:

first, the romans stayed isolated because they had to defend their own territories from neighboring cities that were harassing them, like the etruscans. second, once the romans managed to defeat their neighbors, and started to expand their territory, they started to build roads and bridges. finally, now that the romans have covered their territory with roads functioning as highways, they could mobilize their legions faster to assemble larger military units in a specific place.