(1) The document discusses different international monetary systems including the gold standard, Bretton Woods system, and floating exchange rate system.
(2) It outlines the key features and rules of each system as well as their advantages and disadvantages. The gold standard collapsed due to World War 1 while Bretton Woods ended due to the Triffin dilemma and the U.S. abandoning the gold standard in 1971.
(3) The document also debates whether countries should return to fixed exchange rates or continue with floating rates, noting there are good arguments on both sides and the appropriate system depends on a country's individual circumstances.