Factual basis for allegation that since 1890 Mississippi has maintained and promoted white political supremacy and a racially segregated society; sections are divided both by the methods and by county and focus exclusively on voting; includes experiences of African Americans who tried to vote in Mississippi prior to 1955 followed by specific instances between 1955 and 1963 when African Americans were denied voting privileges because they did not interpret the Constitution to the satisfaction of the registrar; includes examples of voting applications by white registrants with unreasonable interpretations of the state constitution