"What happened at the time of Leonardo and Galileo was that mathematics was so unproved by the advent of the zero that not only was much more scientific shipbuilding made possible but also much more reliable navigation. Immediately thereafter truly large-scale venturing on the world’s oceans commenced, and the strong sword-leader patrons as designing their new and more powerful world-girdling ships...The topmost Great Pirates... developed the comprehensive strategy for running the world for a century to come."