A failure wedge develops if a retaining wall
(A) Moves away from the backfill
(B) Moves towards the backfill
(C) Sinks downwards
(D) Stresses equally by vertical and horizontal forces
(A) Moves away from the backfill
(B) Moves towards the backfill
(C) Sinks downwards
(D) Stresses equally by vertical and horizontal forces