Combining history, archaeology, sociology, political science, and agricultural studies, Y=Arctg X: The Hyperbola of the World Order presents a theory claiming that any political system with a firm agricultural foundation is pre-destined to reach political unity and turn this state into the norm. Using the circumscription theory--the idea that the phenomenon of political unification was most explicit in areas of the world where agricultural land was in short supply-- and exhaustive historical evidence, this timely work proposes the emergence of a single world state.