Cicero Township, Cook County, Illinois. Geographic Names Information System. United States Geological Survey; United States Census Bureau 2009 TIGER/Line Shapefiles; United States National Atlas
Feudalism is defined as a Medieval European political, economic and social system from the 9th to 15th century.
Constitutionalism is a complex of ideas, attitudes, and patterns of behavior elaborating the principle that the authority of government derives from and is limited by a body of fundamental law.