Norms are also classified according to their relative social importance. are informal norms or everyday customs that may be violated without serious consequences within a particular culture. they provide rules for conduct but are not considered to be essential to society’s survival.

Folkways

Explanation:

The term folkways refers to informal rules that are not offensive to violate but they are expected to be followed. They are regarded most as "social conventions" and "customs" rather than norms. Since they are social conventions, they also vary from culture to culture, and therefore they are not essential to society's survival.

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.