The study attempts to find out how and to what extent two Pietisms transfered from the Old World to North America changed due to political, social, and cultural conditions in the years 1742-1800. Two individuals, the German Lutheran pastor Heinrich Melchior M?hlenberg (1711-1787) sent from the Glauchasche Anstalten in Halle/Saale and the Moravian missionary David Zeisberger (1721-1808) from Herrnhut, serve as protagonists through which concepts, ways...