Internal politics and a weak regional dispute resolution process (through MERCOSUR) have led to a trade war.

FORBES: Trade Wars: How Overheating Led To A Conflict Between Brazil And Argentina

We expect arbitration to be a more efficient and speedier dispute resolution process than trying a matter before a jury years down the line in the San Francisco Superior Court.

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"It is unfortunate that the New York Attorney General has chosen this route rather than engage in a constructive dialogue through the established dispute resolution process, " spokeswoman Vickee Adams said.

WSJ: NY AG: 2 banks violated mortgage accord