I do not have your choices of "the following" Here are some reasons I learned: Christianity, empire was too big and became hard to manage, there were many nonromans attacking parts of empire- Goths, the emperors themselves were weak or insane intrigue was rampant.
Lots of them lost their husbands and some got really hurt
Became a policy of <span>nationalism.</span>
The emperor was <span>Vespasian</span>
