Which statement provides the best contacts for interpreting this photo

World war 2 was caused, in part, by which of these factors?

23. how does specialization among nations encourage interdependence? nations work together to share labor and resources to produce vital goods. nations sign treaties prohibiting taxes on imports. nations produce specific goods and then trade to obtain things they need. nations that are more developed agree to fund development in nations with limited industry.

The ethnic nationalist movement in which region is also a unification movement?