Children who lack self-control are most likely to have parents who are: abusive. overcontrolling. authoritarian. permissive.

The answer to this question is that the children have permissive parents. The permissive parenting style is a also known as the indulgent parenting which is a type of parenting where in the parents became so relaxed that they became friends with their children. Also in permissive parenting, the parents are loving and warm to their kids. Having this kind of parenting style make the children demanding, having low self esteem, and lack social skills.  

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.