which of the following is not a function of the integumentary system A: Maintain homeostasis B:produces proteins C:serves as an alerting sensory organ D: produces essential vitamins​

C thats what the nerves do

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.

citizens were able to charge more for their goods and services