Meaning of a political system

Witnessing the actual Trump presidency, one searches for conceptual tools to document US decline. The World Justice Project (WJP) comes to mind, attempting to measure rule of law (RL) comparatively. The WJP presents interesting findings for 2017-2020. Canada ranks higher than USA. Venezuela is bottom 128 country. Rationale of rule of law?Keywords. Limited government; Countervailing competences; Natural regularity; Moral law of nature; Locke.JEL. D72; P16; P26; P48