Original sentence: The Orange Institution, more commonly known as the Orange Order, is a Protestant fraternal organisation based predominantly in Northern Ireland and Scotland with lodges throughout the Commonwealth and the United States.The Twelfth however remains a deeply divisive issue, not least because of allegations of triumphalism and anti-Catholicism against the Orange Order in the conduct of its Walks and criticism of its alleged behavior towards Roman Catholics
Edited sentence: The Orange Institution, more commonly known as the Orange Order, is a sectarian, Protestant fraternal organisation based predominantly in Northern Ireland and Scotland with lodges throughout the Commonwealth and the United States.The Twelfth however remains a deeply divisive issue, not least because of allegations of triumphalism and anti-Catholicism against the Orange Order in the conduct of its Walks and criticism of its alleged behaviour towards Roman Catholics