which group most threatened the byzantine empire in 1050?\nottoman turks\nmuslim arabs\nlatin…

Brief Explanations:

In 1050, the main threat to the Byzantine Empire was not the Ottoman Turks (they rose to power later), nor the Muslim Arabs as the main conflict wasn't with them at this time. The split between the Latin - speaking Western (Catholic) and Greek - speaking Eastern (Orthodox) branches of Christianity was causing internal and external tensions. The Latin Christians, especially with the growing power of the Papacy and Western European kingdoms, were a source of threat through religious and political differences. Orthodox Christians were part of the Byzantine Empire itself.

Answer:

C. Latin Christians