The main character, Ivan, is a young man who dreams of becoming a great military leader like his ancestors, but he soon discovers that the world has changed and that the old ways of warfare are no longer effective. He must adapt to new technologies and strategies in order to survive. Long detailed description of the plot: The book begins with the introduction of the protagonist, Ivan, a young Cossack who is eager to prove himself as a great military leader like his ancestors. However, he soon realizes that the world has changed and that the old ways of warfare are no longer effective. The Cossacks are facing a new threat from the Polish-Lithuanian Commonwealth, which has adopted modern weapons and tactics. Ivan's father, a skilled warrior, is killed in battle, leaving him to lead his people. He must navigate this new reality and find a way to protect his family and community. As Ivan struggles to adapt to the changing times, he meets a mysterious woman named Maria, who possesses knowledge of modern technology and strategies.

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