Which method separates modern historians from ancients Greek historians?

The best option regarding what separates modern historians from ancient Greek historians would be "basing historical accounts on reliable evidence," since many Ancient Greek historians would embellish their stories greatly. 

Explanation:

hope that helps love!

answer; i believe that the correct answer is (tobacco);

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.