In what ways was the byzantine empire a continuation of the old roman empire

Well, the Byzantine was the continuation of the Roman empire. What had happened was it had broke in half after Rome fell. (you can fin more about this by watching https://www.youtube.com/watch?v=xuCn8ux2gbs)

c 3 branches because idk why they had 3 well when:

you think of it there are still contrys with 3

by improved communication.