First published in 1984, this study examines closely the shifting attitudes towards, and theories concerning, imperialism, from the colonial wars of the late nineteenth century to America's involvement in Vietnam. This lucid investigation encompasses the World Wars, the disintegration of the Colonies and the Cold War. It also gives fascinating insight into the theories of imperialism advocated by such diverse writers as Hobson, Wilshire, Angell, Brailsford, Luxemberg and Lenin.