Criticisms of the managed float system of exchange rates include which of the following 3. a reduction in trade wars among countries following this system because each country can control its own country's currency fluctuation (2) and (3) only (1) and (2) only 2. government's central bank may attempt to weaken its currency to stimulate a stagnant cconomy (1) and (3) only 1. governmental manipulation of exchange rates to benefit its own country at the expense of others