Which describes how plague affected the byzantine empire? it killed many residents. it killed few residents. it killed islamic invaders. it killed emperor justinian i.

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

so you know what happened be fore you were alive

explanation: