Before we can safely proceed with the story of European development during the past four hundred years, it is necessary to know what were the chief countries that existed at the beginning of our period and what were the distinctive political institutions of each.

A glance at the map of Europe in 1500 will show numerous unfamiliar divisions and names, especially in the central and eastern portions. Only in the extreme west, along the Atlantic seaboard, will the eye detect geographical boundaries which resemble those of the present day. There, England, France, Spain, and Portugal have already taken form. In each one of these countries is a real nation, with a single monarch, and with a distinctive literary language. These four states are the national states of the sixteenth century. They attract our immediate attention...