You may be thinking myopically if you are just thinking of mom, and pop fish n chips store. Because, how do western European oil companies.. buy oil(which can

You may be thinking myopically if you are just thinking of mom, and pop fish n chips store. Because, how do western European oil companies.. buy oil(which can only be bought and sold in US dollars)? How do western European electronic companies get parts from Taiwan, and Japan without outrageous exchange fees. Do you think these companies switch back and forth from euros to us dollars.. or do you think western European companies(especially manufacturing) just keep, and use US dollars. The entire world economy depends on the US currency platform.