Read this line from "Summer": To me alone it is a time of pause, A void and silent space between two worlds The word alone can be read several ways in this text. Which line from the poem helps suggest one way to read it?

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.