Complex sentence: The second idea behind the Bretton Woods Conference was joint management of the Western political-economic order, meaning that the foremost industrial democratic nations must lower barriers to trade and the movement of capital, in addition to their responsibility to govern the system.
Split into simpler sentences: The second idea behind the Bretton Woods Conference was joint management of the Western political-economic order. Meaning that the foremost industrial democratic nations must lower barriers to trade and the movement of capital, in addition to their responsibility to govern the system.