What act of unity was designed to ensure peace between the english and the powhatan after the first anglo-powhatan war?

What was the importance of the open door policy?

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.

Soon-yi's house has a hexagonal window made up of six identical equilateral triangles as pictured below.