Wolves hunt animals larger than themselves (moose, bison). This requires trust. The wolf holding the nose knows the wolf biting the flank will not let go.
In a true pack, every member knows their role. The "lone wolf," contrary to romantic belief, usually has a very low survival rate. The is the ultimate risk mitigation strategy.
We’ve all heard the myths about "Alpha" wolves ruling through fear. The truth is much more familial and heartwarming