The Toronto summit shows that now the threat of a second Great Depression has passed, it will take another crisis for the G20 to redress global economic imbalances Born out of necessity in the dark days of late 2008, the cracks are beginning to show in the G20. Developed and developing nations were united when confronted with the collapse of world trade and the shrivelling of industrial output but are finding it harder to keep the show on the road now that the immediate crisis is over.