Which two groups most helped the freedem during the Reconstruction Era?

During the Reconstruction Era, two key groups that significantly aided the freedmen were the Freedmen's Bureau and Northern missionaries. The Freedmen's Bureau, established in 1865, provided essential services such as education, healthcare, and legal assistance to newly freed African Americans. Northern missionaries and various charitable organizations also played a crucial role by establishing schools and promoting civil rights, helping to empower freedmen and integrate them into society. Together, these groups contributed to the advancement of African Americans during this transformative period.