Final answer:
The Great Mosque of Damascus is an important architectural site in Damascus, Syria. It was commissioned by the caliph al Walid I and completed in 714/15 CE. So, the option E. all of these is correct.
Step-by-step explanation:
The Great Mosque of Damascus, is a significant architectural site in Damascus, Syria.
It was commissioned by the caliph al Walid I and completed in 714/15 CE.
The mosque was designed to accommodate the growing Muslim population and was built into the Roman temple wall, incorporating older building materials.
The mosque's construction was a monumental undertaking, with a labor force of 12,000 workers and Byzantine artisans creating the intricate mosaic art.
The mosque showcases early examples of aniconic artwork, depicting trees, landscapes, and uninhabited architecture.
Despite a fire in the 1890s, much of the rich mosaic program has survived.
Therefore, the option E. all of these is correct answer.