 Classical Greek learning was also subsumed, preserved and elaborated in the rising Eastern world, which gradually supplanted Roman-Byzantine control as a dominant cultural-political force.Thus, much of the learning of classical antiquity was slowly reintroduced to European civilization in the centuries following the collapse of the Western Roman Empire.The rediscovery of the Justinian Code in Western Europe early in the 10th century rekindled a passion for the discipline of law, which crossed many of the re-forming boundaries between East and West.