In the course of his active and productive professional career, Keynes had many opportunities to consider both the theory and practice of international trade and exchange. His first major publication, Indian Currency and Finance, analyses and describes the currency problems of an open, developing country maintaining a gold exchange standard. His last major professional activity, the planning for postwar reconstruction and development, established the initial postwar international economic order represented by the Bretton Woods agreement and the General Agreement on Tariffs and Trade.