Background Information: This passage was written in ancient times by a man of Gothic descent who lived within what had been Roman territory. It describes an attack by a Germanic tribe on Roman territory. According to this passage, what is the most likely reason that the Goths attacked a Roman city?

to drive Romans out of the city and settle there themselves
to terrorize the Romans and keep them from colonizing Germany
to send a message to the emperor that they could not be defeated
to take Roman wealth for themselves and carry it back to their homeland