The puritans who supported oliver cromwell in the 1600s in his fight with king charles ii were most closely associated with which protestant religion?

The Puritans were protestants that were trying to reform the Protestant religion in England. They were trying to kick out the Catholic influence from the England. So they practically had their own new movement, Puritanism, that was know for it's intensity for the religious experience that it fostered. So all in all, the Puritans were Anglicans.