"The World War. Volume II. From the beginning of the war to the unconditional submarine war" is the first attempt to deeply analyze the events of the First World War from the very beginning to the important stage of the participation of submarines in hostilities. The author of this work, Karl Helferich, draws on a wide range of documents and sources to carefully reproduce and develop important aspects of this conflict. He reveals not only the military actions, but also the political and social processes of the time, helping the reader to understand the wider context of events. This book is an important resource for those interested in the history of the First World War period and its impact on the present.