On the problem of divine election Lutheranism and Calvinism remained divided.
It is possible that this is, in part, due to the artistic blight of the Calvinism which so long dominated the town.
Unitarian tendencies away from the Calvinism of the old Congregational churches were plainly evident about 1750, and it is said by Andrew P. Peabody (1811-1893) that by 1780 nearly all the Congregational pulpits around Boston were filled by Unitarians.
He was a powerful preacher and teacher, who broke from Calvinism in denying imputation and teaching perfect freedom of the will, by which perfect holiness might be attained.
Calvinism, indeed, rather recommended itself to the Poles as being of non-German origin, and Calvin actually dedicated his Commentary on the Mass to the young krolewicz (or crown prince) Sigismund Augustus, from whom protestantism, erroneously enough, expected much in the future.