Fun akojo awon iru ijoba, e wo List of forms of government Irú ìjọba kan, tabi iru ijoba orile-ede kan, untokasi akojopo awon institutions oloselu nipa bi ijoba orile-ede kan je gbigbajo lti le lo awon agbara re lori akorajo iselu. http://assets.cambridge.org/052184/3162/excerpt/0521843162_excerpt.pdf Kopstein and Lichbach, 2005