Which of these are factors that could lead to disease in the trenches? a. Poor hygiene and lack of clean water
b. Latrines overflowing spreading human waste
c. All of these answers were factors leading to disease.
d. Standing in water for days at a time.

the answer is C

Explanation:

because when soldiers clean your gun and get cut that can quickly get into pneumoniaquickly because they had a lack of Clean Water they were always saying in dirty water never clean their self with clean water

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.