Final answer:
The Middle Ages, also known as the Medieval period, was sometimes referred to as 'The Dark Ages' due to a decline in classical learning and a shift towards a more spiritual focus in art and culture.
Step-by-step explanation:
The Middle Ages, also known as the Medieval period, was sometimes referred to as 'The Dark Ages' because it represented a decline in classical learning and a shift towards a more spiritual focus in art and culture. During this time, Christianity became the official state religion, leading to the dominance of Christian art over intellectual interests and depictions of human anatomy.
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