Entitled: "Civil Rights leaders pose in the Lincoln Memorial during the March on Washington for Jobs and Freedom. Pictured are, standing from left, director of the National Catholic Conference for Interracial Justice Matthew Ahmann, Rabbi Joachim Prinz, Student Nonviolent Coordinating Committee (SNCC) leader John Lewis, Protestant minister Eugene Carson Blake, Congress of Racial Equality (CORE) leader Floyd McKissick, and labor union leader Walter Reuther; sitting from left, National Urban League executive director Whitney Young, unidentified, labor union leader A Philip Randolph, Dr. Reverend Martin Luther King Jr., and National Association for the Advancement of Colored People (NAACP) leader Roy Wilkins." The March on Washington for Jobs and Freedom was one of the largest political rallies for human rights in United States history and called for civil and economic rights for African-Americans. The march is credited with helping to pass the Civil Rights Act (1964) and preceded the Selma Voting Rights Movement which led to the passage of the Voting Rights Act (1965).