In the first article in this series, we gave a brief overview of the origins and function of migration in the capitalist system and how this has changed as that same system began its remorseless historical decline in the early 20th century. In part two, we examined the culmination of those trends in the horror of the Holocaust. Part three discussed the plight of migrants during the terror of the Cold War. Towards the end of the 80s, the world entered a new period: one of generalised, social decomposition. It is this period we shall now examine.