It would be a "traditional" type of economic system that relies primarily on hunting gathering herding and farming to maintain self sufficiency, since this was how humans sustained life for many years before the modern era.
Spread From the Hearth
Confucianism diffused through hierarchical diffusion. This religion was passed on through the Chinese's influence on their neighboring countries. Confucianism spread from its hearth in the Shandong province into China's northern and southern territories.
Columbus fought pirates off the coast of Portugal. After his ship sank, Columbus went to Lisbon to join his cartographer brother, Bartholomew.