Original sentence: Luther's efforts to reform the theology and practice of the Western Christian Church launched the Protestant Reformation and left Western Christianity divided.Lutheranism is a major branch of Christianity which follows the teachings of the sixteenth-century reformer Martin Luther.The split between Lutherans and the Roman Catholic Church arose mainly over the doctrine of justification before God
Edited sentence: Luther's efforts to reform the theology and practice of the Western (Roman Catholic) Church launched the Protestant Reformation and left Western Christianity divided.Lutheranism is a major branch of Protestant Christianity which follows the teachings of the sixteenth-century reformer Martin Luther.The split between Lutherans and the Catholic Church arose mainly over the doctrine of justification before God