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In page Martial arts:

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As Western influence grew in Asia a greater number of military personnel spent time in China, Japan and South Korea during World War II and the Korean War and were exposed to local fighting styles. Jujutsu, judo and karate first became popular among the mainstream from the 1950s–1960s. Due in part to Asian and Hollywood martial arts movies, most modern American martial arts are either Asian-derived or Asian influenced.[1] The term kickboxing (キックボクシング) was created by the Japanese boxing promoter Osamu Noguchi for a variant of muay Thai and karate that he created in the 1950s. American kickboxing was developed in the 1970s, as a combination of boxing and karate. Taekwondo was developed in the context of the Korean War in the 1950s.[citation needed]