emphatic  manner,  the  several  propositions  stated  in  §  338.
For  here  the  acts  of  Congress  regulating,  and  therefore  per-
mitting importation,  were  held  to  be  so  complete  an  exercise
of  the  power  granted  to  the  national  legislature,  as  to  preclude
the  states  from  interfering  with  the  sale  of  the  goods  by  the
importer.  It  should  be  noticed  that  the  laws  of  Congress  were
entirely  silent  upon  the  subject  of  sale.
