The answer is D
I would look up the word cultivation if I needed the definition, the current usage. I think that when everyone guesses something they always want to know if they are right . So because of all of that D is the answer.
Cultivation:
"The action of cultivating land"
This is technically false, because feudalism existed in various regions before the existence of Charlemagne. In general, feudalism existed after an empire crumbled.
No, the comparing adverb would be more quickly, and this sentence does not state this.
