To not drown.
Don't drown
It isn't, Rugby and Football are the main and most popular, swimming might be popular but it isn't the main sport
Buddhists main rule is 'Not To Harm Others'
The main rule of netiquette is that no one is controlable of webs.
Swimming uses almost every muscle in your body. It does not just use one main one.
Yes they are all the same.
swimming
Is swimming a typical sport for Canada - No Does Canada compete in Swimming - Yes
If a swimmer breaks any swimming rule, they get disqualified. If they get disqualified the time that they got, well not count. If they were to break all of the rules, the same happens. They don't get another punishment for each broken rule. Their time just won't count.
Swimming.
W.H Williamson is credited for inventing swimming as a sport by coming up with the first swimming rule in 1804. This rule was commonly known as the lifebelt.