The battle that led to the down fall of is known as "The siege of Constantinople". Constantinople was the capital city of the Byzantine Empire and one it was one of the most heavily fortified cities in the world in 1453. This battle after ten centuries of wars, defeats, and victories marked the end for the Byzantine Empire when Constantinople fell to the Ottoman Turks. It is said that Constantinople held out only because of its supposedly impregnable walls. The city was finally captured as the Ottoman Turks poured into the city through one of the gates that was forced (some claimed that it had been unlocked).
I think it would be ( They mainly stayed out of sight, but were in complete control of all matters big and small.) hope this helps.
What are the possible answers to fill the blank?
Answer:
1. Missionary work
2. The Avars turned against the Byzantines after initially helping them fight the Slavs.
Explanation:
1. Cyril and Methodius were brothers and were born in the 9th century, amidst the Constantine Empire. they became great missionaries, being recognized throughout the empire, mainly because of their strong teachings, since they received a quality education in Constantinople, masterfully mastering concepts such as philosophy, grammar, rhetoric, music, arithmetic, geography and astronomy, in addition to Greek and Latin.
2. The Avars were allies of the Byzantines during the battles against the Slavs, being very influential for the victory of the Byzantines and the strengthening of the empire, however after the change of rulers and in the midst of an economic crisis, they decided to turn against the Byzantines and collect very high fees that contributed to the overthrow of the empire.