Which term describes unjust behavior due to a person’s gender or race?

The term you are looking for is Racism for the action and Racist when talking about a specific person.

Dcalifornia they have the most people with 200+ people per square mile

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.