Were northerners who moved south during reconstruction. were white southerners who supported reconstruction.

Carpetbaggers were Northerners who moved South during Recosntruction.

Scalawags were white Southerners who supported Reconstruction.

Explanation:

During Reconstruction, a Northerner who migrated to the South in a posistion of authority and worked with formerly enslaved people to rebuild the South were called carpetbaggers. They were called this because a carpetbagger was someone who arrive in a new place with only a traveling bag (a carpetbag).

During Reconstruction, Southerners who had opposed secession and worked with republicans and formerly enslaved people to rebuild the South were called scalawags.