In Forces of Change, Henry Hobhouse argues provocatively, and most convincingly, that modern history has been shaped less by the actions of human beings than by three natural forces: population growth, food supply, and disease. Examining 500 years of history, Hobhouse observes the relative roles of these forces from the time of the Black Plague to the present day. Invigorating and immediate, his unconventional approach sheds a whole new light on history...