Advocacy is often seen as working “within the system” where as activism is seen as working “outside the system” to generate change.
Brown v. Board of Education was a landmark case in which it was finally proven that segregation in institutions of education was highly unconstitutional, so you could say that that is the greatest effect since it made other schools become open for everyone as well.
Answer:
A single producer.
Explanation:
A good example of this would Monsanto and the control over pesticides, insecticides, etc.
This group of Native Americans were the Pueblo