What was the primary motivation for campaigns promoting human rights during the 20th century ?

Which document does the second paragraph of the declaration of independence echo

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 was gained through the gadsden purchase