Difference Between

Federation vs Confederation   Federation and confederation are terms used to describe the political arrangements of different countries where the constituent states or member states come together to form a body. Some countries are called federations while many others are examples of confederations depending... 

Province vs State   Ever wondered why some countries have provinces as smaller geographical units, while others have states? Is it just difference in nomenclature or provinces have different structures of administration than states? Are states in US the same as provinces in Canada? What is the actual difference...