4. Which of the following best summarizes the significance of the contributions made by Justinian I to the rise of the Byzantine Empire? O A. Justinian I attempted to reclaim the former Roman Empire; he ultimately failed, but he proved more adept at instituting law than conquering land. OB. Justinian I sought to officially separate the Eastern Roman Empire from the remnants of its dead Western half, thus revitalizing the Byzantine Empire. C. Justinian I attempted to reclaim the former roman empire and succeeded, for the most part; this brought on a brief period of prosperity and order. D. Justinian I set about creating order within his empire with codes of law improved tax systems and more levels of bureaucracy.