Respuesta :
Answer:
Option: B. Defending Constantinople against invaders
Explanation:
The Eastern Empire (Byzantine Empire) emerge after the fall of the Roman Empire. The Byzantine Empire formed its capital as Constantinople. Constantinople remained powerful and wealthy because of the strong military while cities in the Western Roman Empire crumbled. The Byzantine army reconquered the former Roman Empire by capturing territories. The main contribution of the empire was to preserve the Greek language and culture as well as the Romans. The necessity to fight the enemies and invading remained in the army strategy. Byzantine built a strong military, which helped them to rule over Europe and expand its territories. Byzantine Empire ruled most of Eastern and Southern Europe.
