Demand, if there is no demand for something they will not benefit from it
I'm not exactly sure but I believe the answer would be A. If not then I'd go for D. but as second best.
Militarism, Alliances, Imperialism, and Nationalism
Answer:
Racism
Explanation:
Many are still racist today, although segregation and its policies have been abolished. No more segregated bathrooms exist, nor segregated water fountains. The only form of segregation that still exists is racial discrimination towards people of color, and even that is in decline.