Some parent–child bickering during the adolescent years may indicate .

a healthy relationship      

Explanation:

A healthy relationship is described as a relationship in which two different persons tends to develop a significant connection that is based on support, mutual respect, honesty, and trust. There are different qualities involved in a healthy relationship including compromises, fighting fair, anger control, individuality, and good communication, etc.

The correct answer is a healthy relationship.

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.

answer; a team- maintenance role;