What did people go through when the plessy decision happened

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.

Which is an example of a country that is overly dependent on another country for goods and sevices

-what is one question you might ask after reading the fred munguia's story?