Which of the following organizations has encouraged free trade, increased economic interdependence, and lessened travel restrictions among european countries?
eu
nato
un
nafta

The EU (European Union) is the organization which has encouraged free trade, increased economic interdependence, and lessened travel restrictions among European countries.The European Union is a politico-economic union of twenty-eight member states that are located primarily in Europe and it's headquarters are in Brussels, Belgium.

The answer is 1-plate movement along fault lines