Who has the power to create congressional districts and which has resulted in gerrymandering?

The ruling political party, the one who draws the map - Gerrymandering  is the process of gaining political advantage by manipulating district boundaries. In a single-winner electoral system , the ruling party most often resorts to gerrymandering as a way to win more votes in its favor. It is most common in  countries where the elected politicians are responsible for demarcating boundaries.

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.