Whats the difference between high-use academic words and key terms?

Read the excerpt from a supporting opinion of the supreme court’s ruling in plessy v. ferguson, 1896. laws permitting, and even requiring, their separation in places where they are liable to be brought into contact do not necessarily imply the inferiority of either race to the other, and have been generally, if not universally, recognized as within the competency of the state legislatures in the exercise of their police power. how does this relate to the premises of brown v. board of education? the brown case addresses whether state legislatures are equipped to judge the quality of education offered at segregated schools. the brown case addresses whether authorities believe that one race is inferior to another when creating public schools. the brown case addresses whether these laws inherently deny certain citizens equal protection under the law. the brown case addresses the legality of using police power to monitor public places separated by race.

Isaw clearly the doom which had been prepared for me, and congratulated myself upon the timely accident by which ! had escaped. another step before my fall, and the world had seen me no more and the death just avoided was of that very character which i had regarded as fabulous and frivolous in the tales respecting the inquisition. to the victims of its tyranny, there was the choice of death with its direst physical agonies, or death with its most hideous moral horrors. i had been reserved for the latter. by long suffering my nerves had been unstrung, until i trembled at the sound of my own voice, and had become in every respect a fitting subject for the species of torture which awaited me. which torture does the passage above reference? a. being eaten alive by rats b. being sliced open by a giant blade c. being killed by falling into a hole d. being burned alive

Do postcards have any value? explain in full, not one sentence.