which eastern empire had an unusually successful frontier state
on the border of the christian world ... The Byzantine Empire
(or Byzantium) was the Eastern Roman Empire during the periods
of Late Antiquity and the Middle Ages, centred on the capital of
... which eastern empire had an unusually successful frontier
state on the border of the christian worldNote: ... with the
first Christian emperor of the eastern Roman empire ... giving
the empire a period of splendor and power (867-1025). The
eastern frontier was ... in the ancient world, had ...
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