I think the context affected how he lived in his way
The correct answer is ARMENIANS.
During WWI, The Ottoman Empire slaughtered 1.5 millon Armenians within the empire.
There were several advantages that the Germanic Tribes have in their conflicts with the Roman Empire during the 3rd to 5th centuries. since you provide no options, one of the advantage that they have is that they know the terrain better and are really used to it
Explanation:
A. water supply is greatest impact