Jewish advisors with him from the Ottoman Empire. While Protestant Swedes could not join any other religious organization until 1873, still, in 1849, Catholic converts were punished with imprisonment. Conversion to Catholicism was punished with fines or imprisonment even after the reform. Catholics could not become a minister of the Swedish government or work as teachers or nurses in Sweden until 1951. United States John Higham described anti-Catholicism as "the most luxuriant, tenacious tradition of paranoiac agitation in American history." Jenkins, Philip. The New Anti-Catholicism: The Last Acceptable Prejudice (Oxford University Press, New ed. 2004). British anti-Catholicism was exported to the United States. Two types of anti-Catholic rhetoric existed in colonial society. The first, which was derived from the heritage of the Protestant Reformation and the religious wars of the sixteenth century, consisted of the "Anti-Christ" and the "Whore of Babylon" variety and it dominated Anti-Catholic thought until the late seventeenth century. The second was a more secular variety which focused on the supposed intrigue of the Catholics and accused them of plotting to extend medieval despotism worldwide. Historian Arthur Schlesinger Sr. has called anti-Catholicism "the deepest-held bias in the history of the American people". Historian Joseph G. Mannard says that wars reduced anti-Catholicism: "enough Catholics supported the War for Independence to erase many old myths about the inherently treasonable nature of Catholicism.... During the Civil War the heavy enlistments of Irish and Germans into the Union Army helped to dispel notions of immigrant and Catholic disloyalty." Colonial era American anti-Catholicism has its origins in the Protestant Reformation which generated anti-Catholic propaganda for various political and dynastic reasons. Because the Protestant Reformation justified itself as an effort to correct what it perceived were the errors and the excesses of the Catholic Church, it formed strong positions against the Catholic bishops and the Papacy in particular. These positions were brought to New England by English colonists who were predominantly Puritans. They opposed not only the Catholic Church but also the Church of England which, due to its perpetuation of some Catholic doctrines and practices, was deemed insufficiently "reformed". Furthermore, English and Scottish identity to a large extent was based on opposition to Catholicism. "To be English was to be anti-Catholic," writes Robert Curran. Because many of the British colonists, such as the Puritans and Congregationalists, were fleeing religious persecution by the Church of England, much of early American religious culture exhibited