The Sumerians in Mesopotamia near the Tigris and Euphrates Rivers being among the first civilized well-developed agricultural nations in the world, learned from the Ubaidians. The latter people were a strong creative force at one time who gave rise to such things as weaving, masonry and pottery which could explain the origins of artifacts like the one shown above here.
The main leaders of the Italian Unification Movement are Giusseppe Mazzini, Giusseppe Garibaldi, and Camilo Cavour.
I believe it is unemployment. I think GDP and unemployment are the two main factors in the business cycle.
