Animal experimentation reduces our respect for life. if we do not respect life, we are likely to be more and more tolerant of violent acts like war and murder. soon our society will become a battlefield in which everyone constantly fears for their lives. it will be the end of civilization. to prevent this terrible consequence, we should make animal experimentation illegal right now.

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.