Which sentence in this excerpt from "In Another Country" by Ernest Hemingway is an example of irony?

well this is going to be a long answer lol ok so the visigoths were a branch of the goths who frequently raided rome, uh the hunas attacked the guptas a lot and weakened them, uuhm of course the romans used math and science in there every day lives i mean they had a whole empire to run, and rome was split into east and west by a general named diocletian. hope this you! : )

b is correct

have a cool day

i am pretty sure it is a

the answer is definitley b!