Final answer:
The correct answer is 'Dark Ages', which refers to the era of European history following the fall of the Western Roman Empire.
Step-by-step explanation:
The correct answer is Dark Ages. The term 'Dark Ages' is used to describe the era of European history following the fall of the Western Roman Empire. It is marked by the loss of classical learning and a decline in political stability, economic prosperity, and cultural achievements. The term 'Dark Ages' is often criticized for its negative connotation and is less commonly used by historians today, who prefer terms like 'Early Middle Ages' or 'Early Medieval Period'.
Learn more about The era of European history following the fall of the Western Roman Empire