Page:An Essay on the Principle of Population (1798).djvu/126

100 the positive checks, may be added, vicious customs with respect to women, great cities, unwholesome manufactures, luxury, pestilence, and war.

All these checks may be fairly resolved into misery and vice.

And that these are the true causes of the slow increase of population in all the states of modern Europe, will appear sufficiently evident, from the comparatively rapid increase that has invariably taken place, whenever these causes have been in any confiderable degree removed.