It is possible that the earliest trade involving the formation of prices and the payments of gold could best be described as international trade. Furthermore many of the financial instruments invented were created to facilitate payments over distances and through time and to help to obviate the need for too much trust.

9.1 An overall historical sketch is called for, of the development of international trade with indications of the size of domestic and outside trade.

9.2 An educational exposition of the main conceptual features differentiating international from internal trade.

9.3 Detailed descriptions and process models must be supplied to illustrate the purposes and functions of the various international economic agencies such as the World Bank, the IMF, IBRD and international monetary accords.

9.4. Currency areas. One world one currency?

9.5. Trade, population and immigration