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.
The Islamic Golden Age is the era in the history of Islam, traditionally dated from the 8th century to the 13th century, during which much of the historically Islamic world was ruled by various caliphates, and science, economic development and cultural works flourished.
That the constitution is important
Was a campaign slogan of the republican party