No sport bans left-handed people. They merely restrict the use of the left hand to no, or a certain set of, activities. This includes sports like polo and Field Hockey (and arm-Wrestling if you call it a sport).
While I would say the majority of people in the world were allowed to play sports, I would imagine there were some that were not permitted to participate in sports due to political, religious or other reasons.
people participate in different sports because they want to get better at it or they want to play it for fun
a large amount of people participate in in NCAA sports.
the main reason people participate in sports is to either get fit, socialize, something to do and to have fun!
yes they did
Because they're lazy!
not a lot
There are many reasons why people choose to participate in sports. One reason is they are fun. Some people may participate because they are competitive and enjoy the challenge.
Jewish people have participated in all sports, throughout history.