I think it has to be banking
The Russian revolution had tremendous effect on the continent of Europe for a long time. first immediately after the revolution, Europe was divided on the course to take and the Britain and USA attacked The Soviets. second, the type of government it created called communism divided Europe into two competing blocks after ww2.
I think it would be A because a primary resource is one that comes from that time period or event.
They took over Native Americans land.
The Answer Would Be:
~A. Hazardous Chemicals.
Hope this helps.
