Jujitsu is not a sport. It is a martial art that is practiced in many countries of the world including Canada.
A sai is used in various forms of martial arts. A few of the martial arts that currently use the sai include kobudo and jujitsu.
Sumo wrestling is a martial art and a sport.
If you mean martial arts then yes. Though not Chinese, Judo and Tae Kwon Do are martial arts and Olympic Sports. Mixed Martial Arts is a popular sport that uses parts of different martial arts, and some Chinese arts can be incorporated into this at appropriate times.
While both of them are quite effective martial arts, karate is by its nature more deadly. Judo was derived from Jujitsu. It was designed to be a sport and used in competition. As such it was intended to be 'safe' to the practitioners and not deadly. Karate was never intended for competition, but is designed to be effective and take the opponent out of action.
It originated in Brazil (Vale Tudo), Russia(Combat Sambo), and Japan. Rorion Gracie (Brazil) brought the sport to America in 1993. From there it became mainstream worldwide.
They are all martial arts and require dedication to learn. Aikido is a grappling art and karate is a striking art. Judo is a sport developed from jujitsu and also focuses on grappling.
jai alai, judo, jujitsu, jousting
It has no single officiating body and standardized rules. It is also not found as an organized sport in enough countries to be considered.
No it is not an Olympic sport.
Unfortunately, bowling is not an Olympic sport