Thomas edison perfected the incandescent light bulb. what was the effect of his work on the light bulb?

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 religion influenced the first persian empire as established by cuyrus the great?

Why must governments be able to compromise?