These four principles illustrate that the concept of sustainable development in the Earth Charter embraces the view that the problems of poverty, environmental degradation, ethnic and religious conflict, and social injustice are all interdependent, and that policies that address one problem can impact and improve other issues.

UNESCO: Understanding sustainable development

Obamanomics, which has thoroughly pursued the opposite of every one of these four Reagan principles, has resulted in a stunted recovery that is way too little, way too late.

FORBES: How The U.S. Can Resuscitate Reaganomics

These, then, are the four principles of peace: Democracy, an International Order, Restitution and Generosity.

ECONOMIST: From the archive