Keywords: Republican Party (U.S. : 1854- ) History ; 19th century ; African Americans Civil rights ; History ; 19th century ; African Americans Civil rights ; Public opinion ; Freedmen Southern States ; Public opinion ; Public opinion Northeastern States ; Reconstruction Public opinion ; Working class United States ; History ; 19th century ; Northeastern States Race relations ; United States Economic conditions ; 1865-1918 ; United States Politics and government ; 1865-1900 ; USA ; Sozialpolitik ; Ethnische Beziehungen ; USA ; Arbeitsbedingungen ; Arbeit ; Schwarze ; Reconstruction ; Geschichte 1865-1901