asked 136k views
5 votes
What challenges did the Byzantine Empire face from foreign forces?

Slavs and Avars–
Avars and Sassanids–
Arabs–
Bulgars–

asked
User TrnKh
by
8.4k points

1 Answer

3 votes
i think is Avars and Sassanids 
answered
User Jan Berktold
by
8.4k points
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