sentences:  Roth acknowledges that certain aspects of his book could be portrayed as conservative, "in the limited sense that it seeks to rationalize and bolster the conception of international legal order, premised on the twin principles of self-determination of peoples and non-intervention in international affairs..." Additionally, he grants the book is realist, "to the extent that it takes states (qua political communities entitled to self-government) seriously as units of the international system, and that it treats skeptically efforts to superimpose idealist blueprints on complex and unruly realities.