The only population you had were moose and natives. We know how you treated the natives. If there had been any other non-white population they would have received the same treatment.
First of all, who is "you". Since I was a first generation immigrant in the late 1960s, I don't pretend to have any connection at all with what some Canadians or Canadian institutions did in the 1930s. I can support the Canadian governments public denouncement of those policies and people, but that's the extent of it.
Second of all, you miss the main point, that being what countries are doing today with respect to social issues and how they treat minorities and low income people. In that context, the US has serious problems, problems that dwarf any similar problems that exist in Canada. Problems that can be overcome but there has to be the will to do it and acknowledgement that there is a problem. Instead, you are trending backwards in this regard under Trump.