How did kingdoms in the rainforest differ from Savannah kingdoms

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 major land feature is located at 0* and 20* e? a sahara desert b kalahara desert c congo basin d the alps

What crime was king louis xvi accused of, what happened to him as a result?