A best-seller in its day, it was read by many influential foreigners, among them US Presidents Theodore Roosevelt and John F. Kennedy, as well as Robert Baden-Powell, the founder of the Boy Scouts.
[1] Nitobe originally wrote Bushido: The Soul of Japan in English (1899), in Monterey, California, though according to the book's preface it was written in Malvern, Pennsylvania.
[2] He found in Bushido, the Way of the Warrior, the sources of the seven virtues most admired by his people: rectitude, courage, benevolence, politeness, sincerity, honor, and loyalty.
Nitobe sought similarities and contrasts by citing the shapers of European and American thought and civilization going back to the Romans, the Greek, and Biblical times.
However, Nitobe's imperialism and justification for interference in the Korean Empire also shaped his perception of bushido, sometimes moreso than the actual history of the concept.