Does anyone know one main point of the code of bushido? (in japan for the samurai)

The Bushido Code

Just a few decades after Japan’s warrior class was abolished, President Teddy Roosevelt raved about a newly released book entitled Bushido: The Soul of Japan. He bought five dozen copies for family and friends. In the slim volume, which went on to become an international bestseller, author Nitobe Inazo interprets the samurai code of behavior: how chivalrous men should act in their personal and professional lives.

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