Answer:
Correct answer is D. chaotic as church leaders, lords, and kings competed for power .
Step-by-step explanation:
D is the correct answer as the political turbulences that were created after the fall of Western Roman Empire created a rivalry between many leaders, including the Pope whose influence affected even the Emperors, especially German rulers.
A is not correct because as we have sad there were many conflicts that even included the Pope.
B is not correct as there were many countries that were created through time.
C is also not correct as western Europe was never totally united, even when Charlemagne the Great ruled.