What allowed Constantinople to survive the decline of the Roman Empire? A. Its disregard for Roman law
B. Its agreements with the Huns
C. Its refusal to allow slavery
O D. Its position in worldwide trade

Constantinople quickly became a metropolis and a major trade node in the Mediterranean. The position of the city along with the great walls made it a real stronghold, safe from the invaders. The whole eastern part of the empire was rich as well.

were they embroiderers?

architecture i think.

i hope this !