What is meant by the term sovereignty? A.
the responsibility of citizens to obey laws and respect each other
B.
any belief system that lies at the foundation of political power
C.
the right of a government to freely exercise its power
D.
the happiness, health, safety, and prosperity of the citizenry

C

Explanation:

A sovereign state has the full right to exercise her power in the course of rulership and prevailing Justice

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.