idk if this will load again but you have to download it, i need help understanding the concept :) tysm

I added pictures on the bottom

Explanation:

I hope this helps I think these are guided note. Tell me if it helped?

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

its b i googled it wish u luck