How could James Monroe been more involved in world affairs

On this day in 1823, President James Monroe proclaimed in his annual message to Congress a new foreign policy initiative: He told the European powers that the Western Hemisphere would no longer be open to them for colonization. ... But in time it became a long-standing tenet of U.S. foreign policy.

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.