The answer is a for u but i am not sure there has to be more explanation for this
Answer: They both attempted to drive Europeans out and they failed
Explanation:
The final fall of the Byzantine Empire was caused by attacks from the Ottomans.
The Byzantine Empire fell, and Islam spread into Eastern Europe. The Byzantine Empire fell in 1453. The main reason of its fall was a significant number of attacks made by the Ottoman Turks. In 1454, Constantinople finally surrendered to them.
Hitlers Family Doctor was a Jew. The doctor failed to save his mothers like (who he was very very close to) leading to her death from Breast cancer.