Yes, swimming is very popular in Canada.
Yes, it is.
in a pool
It is not as popular as a lot of other sports so, no.
swimming is really a relatively not very known sport in the U.S. Michael Phelps made it popular though he is an enormous disgrace to the swimming world believe you me.
it would be the freestyle the most easiest stroke in swimming
Australia views swimming as America views football.
It isn't, Rugby and Football are the main and most popular, swimming might be popular but it isn't the main sport