Which economic mechanism does a barter system operate without? opportunity costs money supply and demand goods and services

Which of the following was an effect of the black death? people developed greater religious tolerance as they united in prayer. peasants migrated into large cities seeking medical care. there were large increases in wages and prices throughout europe. doctors trying to stop the epidemic made rapid advances in medicine.

Which activity is not one of the primary ways political parties shape public policy? a. building and maintaining support from the public b. party members be more effective in office c. working to ensure party candidates get into office d. recruiting volunteers to assist with party activities

Use the drop-down menus to choose the letter that correctly identifies each geographical feature. andes mountains: caribbean sea: gulf of mexico: pacific ocean: