It's not Portland or boise, so C Los Angeles!
The fall of Ancient Rome started from about AD 190. The Roman Empire was attacked by tribes such as the Goths and the Vandals. Civil wars in parts of the empire further weakened the rule of Rome and respect for Roman law dwindled as a result.
I believe that the first choice is the correct one
C is the best answer because it has reason in it and that is what the enlightenment was mostly about