The author describes the history of the creation of the Line of Mannheim, which was a defensive fortification system built by Finland during World War II. The book explores the historical context of the time, the political situation, and the military strategy that led to the construction of the line, as well as the impact it had on the local population and the environment. The book "Линия Маннергейма Оборонительный щит Финляндии от идеи до воплощения" (Line of Mannheim: From Idea to Reality) tells the story of the creation of a defensive fortification system in Finland during World War II, known as the Line of Mannheim. The book delves into the historical context of the time, the political situation, and the military strategy that led to the construction of the line, as well as its impact on the local population and the environment. The book begins by setting the stage for the reader, describing the political and military tensions of the time and the need for Finland to protect its borders from invading forces. The author explains how the Line of Mannheim was conceived as a response to these threats, with the goal of creating a strong defensive barrier to prevent enemy troops from advancing into Finnish territory.

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