The correct alternative is letter B. Brown v. Board of Education of Topeka, in 1954, was a very well known case judged by the Supreme Court of the United States which has decided to be unconstitutional all racial segregation in public schools in the United States. This decision has overturned a previous decision of 1986, in the Plessy v. Ferguson which had validated racial segregation in public areas in the US, such as schools, hospitals and bus and train stations.
In the letter sent to President Eisenhower on May 13th of 1958, Jackie Robinson,a civilrights advocate, refers to the treatment the African American community has been suffering. This particularly refers to the opression and segregation imposed upon African Americans. The reason for this,is that segregation was the key point of the racial tension in the mid 20th century.
All themes are specific to each culture