After Nations — The Making and Unmaking of a World OrderRana Dasgupta, William Collins, £30IN THIS magisterial history of the development of nations as a political concept, Dasgupta takes us on a vivid and highly informative journey, delivering key insights.The modern world is made up of nations and the system of sovereign nations is a universally accepted way of conducting political and economic relations (despite Trump’s attempts to ignore and flout this consensual view).