In the country of rudanda, it is very hard for a person born in a particular strata of society to move to a diffesrent strata. rudanda has a low degree of

This is a country with low social mobility. The citizens are typically left to stay in their own class/caste/stratum, and moving upward or downward is difficult. Even having more money or other means renders it difficult to make much of a change from where one was born.

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.