Torture has worked throughout history however trained professionals, such as Navy Seals, have been conditioned to not releasing information although under extreme torture.
Here are 3 goals of foreign policy,
1.For the exchange rate to be the same in all countries,
2.There to be so same numbers on the bills, ( 1,5,10,20,50,100 ) And not ( 1000,2000 and so on )
3.For it to all be the same currency,
Is it Proprietor?....if not ion know
The answer is B travel across physical boundaries