Karate
Kemp is not the name of a martial art. You are probably referring to Kempo, a style of martial art found in Korea and Japan.
yes
Karate comes from Okinawa. It is based on the ancient art of kung fu from China combined with the local Okinawa art of te. From there it went to Japan and from there it went to Korea where it was combined with the local martial art and became what we know as Tae kwon do.
There are many martial arts that originated in Japan. Judo, Aikido, JuJitsu, Sumo and Iaido are some of them. Karate originated in Okinawa, which is now considered a part of Japan.
Karate is a martial art. It originated in Okinawa around 200 years ago.
Taekwondo is a native Korean Martial Art that was developed in its modern curriculum in South Korea by Korean Martial Artists who combined ancient native philosophies, culture, and fighting tactics of Korea, which focused on kicks as the primary weapon. The kata originally practiced in Tang Soo Do were originally from Okinawa, via Japan. It also contains Martial Art influences from both China and Japan.
Wushu is the Chinese martial art also known as kung fu and is not karate.Wushu is not Karate. It is more of a sports nature kung fu. Karate orginated in Japan (Okinawa) whereas Wushu is an Chinese martial art.
Judo was developed from the Japanese art of JuJutsu.
The first step would be to learn a martial art. Then you can take it to the next level.
You can start at whatever age you wish and that the school will take you. Many start at six years old, so as long as you can move and follow instructions, you can take your martial art.
You can start to really learn the martial art and its applications.