What made the three cities listed below important in the Muslim world? -Baghdad

-Cairo

-Cordoba

1. All were located on the Tigris river
2. All were Mediterranean ports
3. All were centers for Muslim learning
4. All were sites of military battles

Which factor was a major cause of the great depression of the 1930?

How did the results of wwi benefit the u.s.?

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.