Eight essays connected by various common strands. The most important one is the community of the main subject-matter: socialism, capitalism, democracy, change of system. These four expressions cover four phenomena of great and comprehensive importance. Each piece in the book deals with these and the connections between them. One of the Leitmotifs is the ¿capitalism/socialism¿ pair of opposites. Capitalism has a history of several hundred years, while the socialist regime existed only for a few decades. But this pair of opposites was central to the history of the twentieth century. This antagonism put its stamp on political thinking, on the foreign policy and military preparedness of