Why is crucifixion of Jesus seen as a sacrifice?

For them the death of Jesus was part of a divine plan to save humanity. The death and resurrection of this one man is at the very heart of the Christian faith. For Christians it is through Jesus's death that people's broken relationship with God is restored. This is known as the Atonement.

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.