Why does karate come from japan?

Answer 1

Karate comes from an island called "Okinawa". Karate basically 'evolved' from Southern Chinese Kung Fu styles. It came to mainland Japan in the late nineteenth-century.

Judo, too, was created in Japan in the late nineteenth-century . Judo is an offshoot of Japanese 'Jujutsu'.

(Note: 'Jujutsu' did not evolve from Karate)

Answer 2

Actually, Karate originated in Okinawa. In 20th century, it was taken to Japan. From Japan it was taken to US and then it became world famous.