When the supreme court finally issued its ruling
in brown v. board of education, the justices were
o badly divided
nearly unanimous in their opinion.
completely unanimous in their opinion.

answer: karl marx, max weber, and emile durkheim (the fourth could be considered georg simmel)

explanation:

i believe it was spain

i believe it would influence their own way of understanding things. it shall be a foundation where they can draw or start an argument.   historians are also  scientists that  have their tools of analysis and expertise to unlock a variety of difficulties such as relationships of man, origin, politics, economy, and culture. based on facts and understanding on these areas, they may shade light to extract ideas and develop options to validate a hypothesis or debunk it.