Who was the greatest leader of the byzantine empire? what was one of his greatest accomplishments? what were the byzantine contributions to civilization?

1. Constantine the Great.  2. He became the Western emperor in 312 and the sole Roman emperor in 324. Constantine was also the first emperor to adhere to Christianity. He issued an edict that protected Christians in the empire and converted to Christianity on his deathbed in 337. 3. Although the people of the Byzantine Empire considered themselves Roman, the East was influenced by Greek culture, rather than the Latin of the West. People spoke Greek and wore Greek-styled clothing. ... Christianity had a major influence on the Byzantine Empire.

there is no photo, therefore i can not answer your question.

deflation   hope this