Oxana0937 Oxana0937 11-04-2021 Social Studies contestada Which situation best describes a significant impact of the War of 1812? A. decreased cooperation and unity within existing political parties A. decreased cooperation and unity within existing political parties , A. decreased cooperation and unity within existing political parties A. decreased cooperation and unity within existing political parties , C. decreased emphasis on slavery as the South’s primary economic system C. decreased emphasis on slavery as the South’s primary economic system , D. increased feelings of nationalism throughout the United States