March 7, 2021 Seok Hyun Kim HIST 125-K02 Week #2 Assignment The biological old regime was a social organization that farming peasants supported the ruling elites. The population growth and increasing population density had led to the rise of civilization and the agricultural revolution. It has emerged binary social structure; the ruling elites such as rulers and landlords, and the farming peasants. As a result, the elites earned their living by collecting taxes and rents while peasants attained self-sufficiency through farming. This old regime entailed several limitations; famine, epidemic disease, and ecosystem damage. A famine broke forth when the harvest fell short when experienced a natural disaster. However, to make the matter worse, the rulers and landlords didn't reduce the taxes and rents, which pushed the peasants below the subsistence level and caused the farming deficit. The agricultural revolution and the expansion of the human population have led people to find new fertile lands. The humans wiped the forests out of their land to cultivate more crops and hunted wild animals for food and protection. However, this time, the natural environment attacked humans adversely. The microparasites carried fatal and communicable diseases such as Black Death, smallpox, and influenza virus globally. The long-distance trade back in the thirteenth century has spread the illness in every continent and killed staggering numbers of people. Around 1300-1400, the whole world was interconnected by several different trading zones and routes, which showed an integrated trading system. It allowed the different regions of the world to sell their specialty to other continents, and have cultural and technological exchanges. The most distinguishable fact of the trading system in this era was that it was polycentric. There was no single dominator or controller over the international trade since the rulers found out protecting and encouraging trading is more beneficial to themselves than seizing the traders as they could collect more taxes from it.