"The year 1918 stood as a bright date in the pages of our History. After a series of successes that seemed to forecast a definitive triumph for the attackers against France and its allies, suddenly, Germany plunged into a deluge that swept away the oldest monarchies of Europe. Never have such contradictory events followed one another and so unpredictably, especially within a short period of time.

In the age of wonders, we would believe it certain that higher and mysterious forces intervened to change the course of destiny." The famous sociologist examines from their psychological perspective some of the problems created by World War I. Political, military, social, and economic issues converge into psychology. The mistakes of the Germans regarding the psychology of nations armed against them nations that only wanted to remain neutral. Ideas of authoritarianism and hegemony clashed with ideas of independence. The world evolved, and new principles were born...