Minor tooth movement to correct an inclined fixed partial denture abutment will
1. enhance resistance form of the abutment.
2. reduce the possibility of pulpal involvement.
3. direct occlusal forces along the long axis of the tooth.
4. improve embrasure form.

(4) only

(2) and (4)

(1) and (3)

(1) (2) (3)

All the above.