Which european countries were filled with many national groups?

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.

What issue lead from texas seceding from the union

What did washington mean when he said patriotism leads to unity