The Byzantine Empire, also referred to as the Eastern Roman Empire and Byzantium, was the continuation of the Roman Empire in its eastern provinces during Late Antiquity and the Middle Ages, when its capital city was Constantinople (modern-day Istanbul, which had been founded as Byzantium).
Most single issued parties have been short lived.
Too much power in the state governments
African Americans, carpetbaggers and scalawags comprised the Republican Party's largest Southern constituency during Reconstruction. The Scalawags were the white Southerners who backed the Reconstruction policies and were usually Union loyalists during the Civil War. Carpetbaggers were the Northerners who moved to the South during the Reconstruction era mostly for economic and political gains.