How many books are in the library of congress

What two important inventions did the people from this region share with society?

Match each mode of narration to the excerpt in which it is used

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.