The answer is pluralism.
Completing the sentence:
The fact that the farmers have more influence over agricultural price-supports than do other groups is an example of pluralism.
Quick definition:
Pluralism is the holding of two or more offices or positions at the same time. Pluralism is not diversity alone, but the energetic engagement with diversity.
More information not sure what you mean by “Collect some recent activities in sports” but thanks for the points :)
Your answer is most likely C. :) Glad I could help!!