What is the difference between sc and insta?

answer:

sc s a messaging system where you can send photos or chats. the photos disappear unless saved (in a chat) or screenshotted. insta permanently keeps your photos onto your profile. they both have "stories" of pictures or videos that people can see that last 24 hours.

answer: sc doesn’t have permanent post and insta does

explanation:

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