The let-alone doctrine

from The Collaborative International Dictionary of English v.0.48

Let-alone \Let"-a*lone"\ (l[e^]t"[.a]*l[=o]n"), a.
   Letting alone.
   [1913 Webster]

   {The let-alone principle}, {The let-alone doctrine}, or {The
   let-alone policy}. (Polit. Econ.) See {Laissez faire}.
      [1913 Webster]