Which of the following definitions most closely describes a goal:

a. An observable and measurable step toward releasing responsibility
b. A nebulous ambition for the future
c. A desired result that you envision, plan and commit to achieve.
d. A hope and dream that is unrealistic

c.A desired result that you envision, plan and commit to achieve is the correct answer.

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