Page:The Science of History and the Hope of Mankind.djvu/36

 HE chief centres of ancient civilisation were India, Persia, China, Egypt, Babylon, and Greece. The contribution of each of these to the culture of humanity was greatly influenced and modified by its intercourse with the civilised and barbarous peoples of the other parts of the world. Besides being controlled by these sociological factors, the freedom and subjugation of countries, as well as the opulence and adversity of peoples in the ancient world, depended also on the climatological and agricultural conditions of the several