Over the same period, certain other factorsâfor example, higher energy costsâhad a greater effect on food prices than did the use of ethanol as a motor fuel.â. Congressional Budget Office, The Impact of Ethanol Use on Food Prices and Greenhouse-Gas Emissions, April 2009.
Thousands of innocent Jews, who had also suffered from the plague, were slaughtered in dozens of European communities. Social and Economic Effects of the Black Death. Some social changes caused by the Black Death were positive. Before the plague, peasant serfs were confined to their lord's estate and received little or no payment for their work. Overpopulation and shortage of resources led to malnutrition and extreme poverty for many peasants.
People were left with no family or friends. The rats and fleas were killed so it was harder to catch the disease. How It Changed The Worldview. The Black Death changed the world view because people were always scared of getting the illness. People moved away from the hard hit places, so the populations were very low. people died left and right so everyone just expected to die.