What were the primary causes of the spanish empire weakening

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 best describes the impact of the crusades on european exploration?

This map is depicting the 16th century route of what explorer