[Texas Songwriter]

Communist - wants total government control of people and assets to be achieved by sudden , revolutionary violent acts.

Progressive - wants total government control of people and assists to be achieved by slow, cultural, and legislative changes.

Progressivism want the same end as communist, but it is a 'slow motion' communism.

[Flatus I. Maximus]

Bingo! "Progressive" is the name the American admirers of the Fabian Socialists picked for themselves because they didn't want to admit that their long-term goal was to establish a socialist state.