How did the cuban way of life change during the cold war

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.

Why did jefferson make the louisiana purchase?

In their competition for power nations raced to