How did the rise of nation-states make sea exploration possible?

What method did party bosses use to maintain the power of their political machines?

What type of monarch was fredrick the great ?

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.