What would be considered a secondary source about the assasination of abraham lincoln

Ineed to try to get this right so i can get a good grade so can someone me

Chief justice earl warren stated, “separate educational facilities are inherently unequal.” what did the use of “inherently” imply about segregation? 1/ by its very definition, it cannot be equal. 2/ it is an integral part of american society. 3/ based on its meaning, separation is a natural inclination. 4/ it was intended to be a state right, not a national mandate.

How does the structure of the body of the declaration of independence support jefferson’s purpose