These considerations hold good as regards every branch of European activity. Effective British political control does not require constant encroachments of departmental activity. British industrial interests can be allowed to find a natural outlet in the ordinary play of economic forces without calling upon Government assistance, for example, to undermine a national weaving industry in which, as Barth remarked of it many years ago, there is something that is “truly grand,” giving employment and support as it does to innumerable families without compelling them to sacrifice their domestic habits or to pass their lives in immense establishments detrimental to health. British commercial necessities do not demand that the big native cities should be thrown open to the White trader, who can pursue his useful avocations just as well, and certainly with much greater regard to health conditions, outside than inside them. In the same way the advent of the missionary into the organized Mohammedan provinces of the north before the country is ripe to receive them, would be a positive danger, besides being an act perilously akin to a breach of faith. Surely we have become sufficiently intelligent to take a broadly human view of these things? There is a field in pagan Northern and pagan Southern Nigeria sufficiently extensive to occupy all the energies of all the missions put together, without invading the heart of Moslem Nigeria. The advent of Christian missions into Kano or Katsina or Sokoto, for example, would be regarded as an act of aggression. Their presence in Zaria is a great mistake, and I make bold to assert that it is only comparable to a man smoking a pipe on a barrel of gunpowder. We hold this newly occupied country by the force of our prestige, far more than by the very small number of native troops in our service. That it is the duty of Government to prevent the introduction of elements, whatever their character and however lofty their motives, whose presence is calculated to cause unrest, is sufficiently self-evident as not to need emphasizing. No Government can afford to disregard so clear a view as that formulated, for example, in the Emir of Kano’s letter given in Chapter VIII. But one would desire, if possible, that the leaders of the Christian Churches themselves should be brought to appreciate the justice of the contention. The establishment of Christian missions in the Mohammedan Emirates would not succeed in damming up the self-propelling currents of Islamic propaganda which are permeating Nigerian paganism. That is the true problem which the Churches have to face.