The stage of listening in which you need to use perceptual filters is what? -Recalling.
-Receiving.
-Understanding.
-Responding.

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.

answer: bvvvulhbjvuohu

explanation:

opoiokji

answer; cultural trait;

permafrost layer, it exists beneath a layer of soil, rock or sediment.