Translations of Japanese histories allowed for easy analysis of martial arts as a form of national Japanese culture in classical Japan .
Although the history of martial arts has not been widely studied by academic historians , samurai and warrior culture in Japan is a very popular topic .
Translations of Japan histories allowed for easy analysis of martial arts as a form of national Japan culture in classical Japan .
Although the history of martial arts has not been widely studied by academic historians , samurai and warrior culture in Japan is a very popular topic .