He vice president of the united states
Answer:
The federal government is more essential than state governments
Explanation:
In this case, the doctrine the court was applying is the rule of reason.According to this judicial doctrine of antitrust law, it is a violation to take any action that will put an unreasonable restraint on trade.
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.