Bretton Woods system came in July 1944 when the countries agreed to tie their values to the U.S. dollar.
In July 1944, delegates from forty-four countries met in Bretton Woods, New Hampshire, to create a new international monetary system. The conference's delegates agreed to establish the International Monetary Fund and the World Bank Group.
Bretton Woods system comes into being when the countries tie their currency's value to the U.S. dollar.
Therefore option A describes the Bretton Woods system.
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