Muckraker. It's a weird, made up sounding word. It also happens to be the answer
The answer is D The Iroquois because their common habitation were in the Northeastern part of North America in the areas, stretching from New York, Quebec, Ontario, Oklahoma to North Carolina, and around the great lakes.
Blacks were concentrated in the lowest-paying, dirtiest, and most hazardous jobs, and were routinely harassed and assaulted. It was not enough to have separate bathrooms for blacks and whites; the "black" bathrooms were often located far from specific workplaces, forcing employees to spend a good deal of their break getting there and coming back. It was not enough to have separate water fountains for blacks and whites; the "black" fountains were never cleaned, and the water was always warm.