Why is this app messing up

Name two fighter jets that were used by each side during the battle of the coral sea its for a project, this is due today

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 term do historians use to describe the personal preferences that people have that affect their interpretation of events