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It would be Karate
Buddy Clark has written: 'Alone, unarmed--but safe!' -- subject(s): Self-defense, Self-defense for women
The Samurai were Japan's elite fighting forces, and they wore armor and had several specialized weapons. Sometimes, however, they might lose their weapons during the course of combat. For this reason they were highly proficient at the unarmed Japanese martial art of Jujitsu (Jujutsu). It is thought, however, that Jujitsu had it's roots in China and Tibet.
Jiu Jitsu the Japanese Art of Self-Defense - 1901 I was released on: USA: April 1901
'Khaki' as you romanized it can't be Japanese if the first place. Self-defense would be 自衛 /ji ei/ and also 防衛 /bou ei/.
Like many other nations, "a matter of self defense" or "self preservation."
No, the Japanese Self Defense Force is an all-volunteer group, and there is no law in Japan requiring people to serve.
You have karate to use as a self defense system.
自己防衛 Jiko bōei
Japan Self-Defense Forces .
self defense of tiger
Horned lizards spray blood from the corners of their eyes in self defense. Camels sometimes spit, not always in self defense, but sometimes it is in self defense. Chinchillas spray in self defense. Some snakes spit in self defense, and so do cats. Skunks spray a liquid from their anal sacs in self defense.