one way it may be a problem is through the foreign corrupt practices act which is just a bag of tricks for enterprising lawyers and politicians in the US to further handicap US-based companies and multi-nationals who operate in the US.
in the oil industry, being able to move stuff across borders in a timely fashion is extremely important and i can tell you from personal experience that the FCPA and other 'Trade Compliance" regulations are stifling. Even shipping benign stuff between the US and Canada can turn what should be an overnight shipment into a futile exercise that can eat weeks.
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