What are 2 benefits and 2 disadvantages of the 4th roman expansion?

A disadvantages that Rome had because of their geography is since they were by so much water this could possibly cause for lots of flooding. 2. Another disadvantage that Rome had because of their geography is that there was many mountains around them so this made travel to other land harder to do. Rome was able to gain its empire in large part by extending some form of citizenship to many of the people it conquered. Military expansion drove economic development, bringing enslaved people and loot back to Rome, which in turn transformed the city of Rome and Roman culture.

Ithink the answer is c