Look up the volume of world trade before WWI, and just how long it took to get back up to that level. Much, much later than you'd think. Looking the results o

Look up the volume of world trade before WWI, and just how long it took to get back up to that level. Much, much later than you'd think. Looking the results of the of the infinitely more brutal Pax Romana should give anyone pause at the prospect of the end of the Pax Americana.