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.
Australia views swimming as America views football.
it would be the freestyle the most easiest stroke in swimming
Baseball or Yakyu as they call it there.