She has been a focus for stability and national identity in a fast-changing world, and a voice for the centrality of Christian faith in the public square. None of us knows the full extent of her influence behind the scenes, but many Christians assume that she has been a bulwark against ever-advancing secularism and progressivism. They fear that her death will allow these forces greater sway, and that the very integrity of the United Kingdom may be more difficult to sustain without her.