What made Byzantium "Roman" other than its formerly being part of the Roman Empire? How Roman was it when it spoke Greek and, after the 11th century, was no longer Catholic?

3 answers

http://www.jiskha.com/display.cgi?id=1338398026
http://www.icsd.k12.ny.us/legacy/highschool/socstud/global2_review/byzantine_empire.htm

see the section entitled "significance"
Here's an interesting perspective of this question.

http://www.historyofmacedonia.org/RomanMacedonia/ByzantineEmpire.html

And another --

http://www.icsd.k12.ny.us/legacy/highschool/socstud/global2_review/byzantine_empire.htm