After the Plessy v. Ferguson (1896) decision conditions worsened, especially in the South, for Blacks seeking social equality. As a result, W.E.B. DuBois organized the NAACP to address the struggles associated with Jim Crow segregation, which intensified as a result of the Plessy decision.
The United Nations was created at the end of World War II as an international peacekeeping organization and a forum for resolving conflicts between nations. The UN replaced the ineffective League of Nations, which had failed to prevent the outbreak of the Second World War.