The answer is D...........APEX
revolution refers to a movement, often violent, to overthrow an old regime and effect. complete change in the fundamental institutions of society
US, British, French, and Soviets.
Most likely the desired answer is the Sauk people.
The last stand in the old Northwest Territory is referred to as the Black Hawk War (1832), named after the Sauk warrior Black Hawk who led Sauk, Fox and Kickapoo tribal peoples in an attempt to reclaim land in Illinois that previously had been surrendered to the US government.
To be honest I would do some research and look it up. Or if you have a text or some resources the teacher gave you I would reread those.