Conformity that results from a concern about what others think of us is called influence.

Normative social influence...

I think Conformity is the most general concept and refers to any change in behavior caused by another person or group; the individual acted in some way because of influence from others. Note that conformity is limited to changes in behavior caused by other people; it does not refer to effects of other people on internal concepts like attitudes or beliefs... Conformity encompasses compliance and obedience because it refers to any behavior that occurs as a result of others' influence - no matter what the nature of the influence.

Also Normative social influence occurs when we express opinions or behave in ways that help us to be accepted or that keep us from being isolated or rejected by those we care about. The outcome of normative social influence is frequently public compliance—a change in behavior that is not accompanied by an actual change in one’s private opinion.

Reserching, Studies show that we consistently overestimate how much, and how badly, others think about us and our failings. An unfortunate consequence of this is that we are far more inhibited and far less spontaneous and joyful than we could be.

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