In the course of a conversation, you observe that three of your friends like horror movies. horror movies happen to be your favorite type of movie as well. you also know that all of these friends were born in the same week that you were, even in the same year.

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

because the early people found out about it.