Here's some points, it's not much but i dont want em or deserve them, i hope you enjoy them and have a better day than me. kill me pls sksk

i hope that your day become better, if you don't mind me asking, what happened?

Explanation:

1. it was caused by feudalism

2. charlemagne used christianity as a major cornerstone for his rule. cloisters were built all over the empire to act as centers for the (re)population of the vast european wilderness.

3. the europeans feared the next raid every time chetak

i'm not so sure about #6. but i hope i you with the first 3.