I would say all of the above except the last option. "Dirty conditions led to disease "
Answer:
Both were strong at their peaks, but seeing how the vikings were much more used to the sea life and raiding, and how the peak of roman military was extremely focused on conquests, i would say the romans would beat them. But in a water battle, vikings probably take the cake.
hope it helps you
B definitely and that's coming from a person that lives in a town.
George washington was 6 feet 2 inches tall.