Generally speaking, unlike the system of justice in the united states, medieval justice sometimes relied upon "divine law," in which the criminal justice system was based on religious faith.
This depends entirely on the research project in question. For instance, if you want to learn more about how the memorial was constructed, you could look at the history of its architecture, etc. Or if you want to know more about how it was conceived you should look at the debates surrounding it's creation.
Homer Plessy rode in a whites-only railroad car and was arrested. He sued the railroad company. The Supreme Court ruled that segregation was legal as long as facilities for blacks were"separate but equal" to those of whites.
Government is formed to protect life, liberty and property
