The awnser is b because needed money, goods, and land to build an empire and therefore had to tax
"<span>a. at its height, included territory that is now part of Turkey, Greece, and Egypt" would be the best answer. The key to much of the Empire's success was that its rulers were fairly tolerant of individual religions.</span>
If you can provide a picture, I will reply to this comment with an answer.
Answer:
Byzantium was created to preserve the civilization and values of both the Greeks, and Romans.