art history video question

please follow the instructions in the file uploaded, and answer the question after you watch the videos

Islam:empire of faith

-https://www.youtube.com/watch?v=X1PxJomypQE

-https://www.youtube.com/watch?v=iI7Qkcyz3tM

Byzantium the lost empire

-https://www.youtube.com/watch?v=0t6e3iYXAYU