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,
In 1807, France and Britain were enmeshed in the Napoleonic Wars that had begun in 1803.
It was fought between the British colonies and France colonies in New France. So I would say France
B would the correct answer