Ardele has an excessive fear of flying. Whenever hetries to fly he immediately becomes so anxious that he ends up taking a bus. Ardele most likely would be diagnosed with the DSM-IV category

answer:

generalized and performance anxiety

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.

this question does't support enough resioning to answer.