The document discusses the historical transition that led to the formation of Byzantium in the east and the division of the Roman Empire into eastern and western regions, highlighting its effects on art influenced by political, religious, and social changes. It traces the evolution of art from early to late middle ages in both regions, requiring the examination of specific artworks and architectural styles such as animal style, Carolingian, Romanesque, and Gothic. The analysis aims to illustrate how these terms correlate with the characteristic features of the art produced during this period.