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.
China, with most decision making power concentrated into a few members of the communist party is best described as a Oligarchy. This is the form of governance where most decision making powers lies with a powerful few and the others have to agree and obey the decision made. I hope the answer helps you.
