By placing trade restrictions on Japan.
They trade silk and spices
on 11th march 2011 at 9.am earthquake occur exactly in japan
Japan External Trade Organization was created in 1951.
They liked to trade silk and spices.
With China and Korea. foreign trade was never a major money maker for Japan
It has to if it wants to trade with other island of japan or any where else.
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The U.S used Japan for trade.
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