What are four important events that happened in the 1940s?

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.

Who memorized the design for the water frame in order to smuggle the plans to the united states? a) james hargreaves b) edward cartwright c) samuel slater d) richard arkwright

Which major change took place in nigeria in 1999?