 Complete the following phrase:  In many aspects, the Imperial claims to feudal overlordship over the Italian territories had become practically meaningless: the effective political authority, as well as the power to raise taxes and spend resources, was in the hands of the Italian princes and dukes. However, the presence of the Imperial feudal network in Italy continued to play a role in the history of the peninsula. It gave to Sigismund, Holy Roman Emperor and Maximilian I, Holy Roman Emperor the pretext to intervene in Italian affairs. Furthermore, the Imperial rights were notably asserted during the Italian Wars by Charles V, Holy Roman Emperor also King of Spain and Naples, Archduke of Austria and Duke of Burgundy. He drove the French from Milan after the Battle of Pavia, and prevented an attempt by the Italian princes, with French aid, to reassert their independence in the League of Cognac. His mutinous troops 