Complex sentence: The Nixon Shock was a series of economic measures taken by U.S. President Richard Nixon in 1971 including unilaterally cancelling the direct convertibility of the United States dollar to that essentially ended the existing Bretton Woods system of international financial exchange.
Split into simpler sentences: The Nixon Shock was a series of economic measures taken by United States President Richard Nixon in 1971 including unilaterally cancelling the direct convertibility of the United States dollar to. It helped end the existing Bretton Woods system of international financial exchange.