Who protected the Crusaders?

Knights of the Temple
Knights of St. John of Jerusalem
Hospitalers
Order of the Holy Trinity

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.

List two inventions that were invented in the united states before the american civil war

In some african american communities, unemployment was as high as percent.