The doggedly persistent drive that is often necessary for successful accomplishments is known as:

Grit is known as the doggedly persistent drive that is often necessary for successful accomplishments The definition of grit firmness of mind or spirit :unyielding courage in the face of hardship or danger managed to survive by his grit and guile.

Currently, as of february 2016, an american traveling in france would be by the exchange rate. the weakness of the euro and the strength of the us dollar means that items in france cost less to an american than they otherwise would. of course, if this trend reverses and the us dollar weakens and the euro strengthens, such as was happening in early 2008, an american traveling in france would have an adverse experience because items would cost relatively more.