Union Leagues were organizations formed during the Reconstruction era, primarily in the South, aimed at promoting the interests of the Republican Party and supporting the rights of newly freed African Americans. These leagues served as a means for Black men to gain political education, participate in civic life, and advocate for their civil rights, often in the face of violent opposition from white supremacist groups. The Union Leagues played a critical role in mobilizing African American voters and fostering leadership among Black communities during this transformative period.