How did the Bretton Woods system differ from the gold standard? What was the primary purpose of the IMF under the Bretton Woods? Why did the Bretton Woods system finally collapse?  The current...

How did the Bretton Woods system differ from the gold standard? What was the primary purpose of the IMF under the Bretton Woods? Why did the Bretton Woods system finally collapse?

 The current exchange rate arrangement ranged from peg (such as dollarization, currency board, and standard peg) to floating (such as managed floating and free floating).