이는 민족 단위로 지역이 구분되는 나라(영국, 캐나다 등), 오랜 봉건체제를 거친 나라(유럽, 일본 등), 지역 정부를 만든 후에 연방으로 발전했다.
This is different when decentralization is thoroughly institutionalized in countries where regions are divided by ethnic group (such as the UK and Canada), countries that have undergone a long feudal system (Europe, Japan, etc.), and countries in the New World that developed into federation after creating regional governments.