Byzantine
Pretty much every thing other than religion...
the roman empire the the byzantine empire then bye ottoman rule
The Ottoman Empire, but truthfully due to a series of civil wars and partial defeats by other empires the Byzantine empire had been in decline for centuries prior to their final defeat
The question as phrased is nonsensical. The Byzantines were Orthodox Christians, not Muslims. In fact the Muslims (under various empires) were almost consistently the enemy of the Byzantine Empire for nearly 700 years.
Justinian code
The Byzantine Empire.
The Byzantine and Persian empires were weak.
Both empires shared similar laws and traditions.
-Roman-Byzantine-Mongol-Russia
eastern orthodox christianity
Byzantine
Trade routes/Renaissance
the roman, catholic, and byzantine empires
mainly 2 types of coins: Gold Solidus & Gold Hyperpyron.
-Roman-Byzantine-Mongol-Russia
They're all Empires.