What currently practiced ideology has its roots in the french revolution?

democracy
capitalism
marxism
socialism

The currently practiced ideology that had its roots in the French Revolution is socialism (D).

Revolutionary France was the birthplace of both nationalism and socialism. Socialism is an economic and political system where ways of making a living, like offices and factories, are owned by everyone.

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.