Question: In the nave are more glittering mosaics of Christ Pantocrator (Omnipotent Lord) with angels.
The angels are a mix of happy hosts and foreboding guardians.

Answer: it is not possible to tell

Question: To sell.
It's hard to sell.

Answer: it is not possible to tell

Question: Most of the cities remained under its domination until the 15th century, yet retained much of their individuality.
The cities under its domination were stripped of their individuality.

Answer:
no