Can someone with the river valley civilizations

How did industrial production improvements impact export-dependent areas of the world during the great depression?   a.  demand for certain raw materials rose.      b.  demand for certain raw materials fell.      c.  the new technology was exported to most raw material producing nations.      d.  there was a decrease in tariffs.

How do state and federal courts differ in the united states

Were african-americans allowed to serve in the military in wwi?