The Freedmen’s Bureau, established in 1865, was involved in a variety of activities aimed at assisting formerly enslaved people during the Reconstruction era, including helping them gain labor contracts, aiding in the reunification of families, and providing temporary welfare assistance. Therefore, if you are looking for which of the options it did NOT do, the answer would be:
All of the above.
Each of the listed actions was part of the Bureau's mission and operations.