In what respects did progressivism accomplish the populist agenda?

The  Progressivism  accomplish  the  populist  agenda  by  including   not  only  the  political  leaders   but  also  academic  people,  educators,  large  farmers,  business men  and  both   women  and  black  activists.   All  these  groups   shared  a  basic  beliefs   to  solve  the  many  social, economic  and  political  problems  that faced  the  rapidly  modernizing  nation   by  then.

Because broadest terms allows the law flexibility depending on changing society and circumstances.