The correct answer is He supported the building of the Hagia Sophia
Explanation: Justinian I, also called Justinian the Great and Saint Justinian the Great.
Launches into the project of restoration and unification of the Roman Empire. To regain the grandeur of the former empire, it stimulates industry, commerce and the arts. Revises and codifies Roman Law in the Corpus Juris Civilis, also known as the Justinian Code.