It was another religion. it would make conflicts much like there is today. which I guess you could say did pass on to today. monarchs at the time normally made it a law to all follow the same religion, however, as it grew, these rules dwindled more and more (sometimes). bit when they didn't, there was plenty of hate between groups.
The answer is B. The South realized it could not win the war and surrendered. Hope this helped!
The privileged order to be abolished
It was on a hill, that had huge barriers that couldn't really be penetrated If I remember correctly. There is also a video on youtube about it
Answer: Invasions by Barbarian tribes
The most straightforward theory for Western Rome's collapse pins the fall on a string of military losses sustained against outside forces. Rome had tangled with Germanic tribes for centuries, but by the 300s “barbarian” groups like the Goths had encroached beyond the Empire's borders.