A possible reason was the attacks on them by crusaders and mongols around the 11th and 12th centuries. Another reason could have been the Arab rulers removing taxes from non Muslims and doing other things that hurt there income.
The answer is 1901 AD - 2000 AD
I hope this helps you and answers your question correctly. i believe the answer is the Dark Age.
Answer:
D. high-quality goods and services is the correct answer.
Explanation:
