The world of economics is every moving, ever changing. What was true 65 years ago, or even 38 years ago, is no longer true today. The world has moved on.

The Bretton Woods system of monetary management established the rules for commercial and financial relations among the world's major industrial states in the mid 20th century.
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The chief features of the Bretton Woods system were an obligation for each country to adopt a monetary policy that maintained the exchange rate of its currency within a fixed value—plus or minus one percent—in terms of gold and the ability of the IMF to bridge temporary imbalances of payments.

The Bretton Woods system was created during the final days of WWII and we still live with its legacy today. However, it has morphed into something very different since then.