We had a pop quiz at first; after 20 minutes of talking.  Then I went to the potty so I missed some of the PowerPoint.  Anyway, the most powerful Germanic tribe was the Franks.  Roman Empire in the east especially became know as the Holy Roman Empire. Assimilated meant like a swap.  Byzantium was the city that became Eastantinople.  It was hard to decipher between a Christian leader and a government leader.  Hagia Sophia means Holy Wisdom.  It was the most glorious church of its time and is still standing.  Been build three times.  Almost 200 feet tall at the highest height.  In Istanbul/Turkey.