Why was Spartacus important in rome

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.

From 1990 to 2008, by what percent did the world’s most developed economies cut their greenhouse gas emissions?

How could indian agents profit their assignments?