Simplify the following text for a Grade 6 native English-speaking person.
Original: Gichin Funakoshi ( `` Father of Modern Karate '' ) titled his autobiography Karate-Do : My Way of Life in recognition of the transforming nature of karate study . Today karate is practiced for self-perfection , for cultural reasons , for self-defense and as a sport .
Simplified: Karate became more known around the world because of Karate movies in the 1960s and 1970s .