Empire was a continuation of the Roman republic. Byzantine was ruled by a succession of emperors including Constantine who was the first emperor to convert to Christianity. The Western Roman
Empire did not fair well due to lack of resources and invasions. Much of Europe was without a government. People moved away from cities across the country side creating many small kingdoms. This marks the beginning of the dark ages. Christianity remained a unifying force in both the East and West. In the West the Roman
Catholic Church grew more centralized; in the East the Orthodox church enjoyed autonomy from papal rule. This