The Muslim concept of "jihad" refers to . a just war or struggle that adheres to a reasonable moral code
unjust and morally depraved violence
violently purging the world of non-believers
the holy month of fasting

i am scared of purge

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.