By Edward Chancellor
The author is a guest columnist. The opinions expressed are his own.
Few doubt that international trade usually increases the wealth of nations. Does it also bring peace? Many think so, but economic historian James Macdonald points out in “When Globalization Fails: The Rise and Fall of Pax Americana” that the last high point of globalization ended just over a century ago in a devastating world war – between countries which were also each other’s largest trading partners.