“In 1971, 97 per cent of Canada’s population was of European ethnicity. Therefore, we demand the suppression of the founding Canadian people, an agenda put forth by Pierre Trudeau and accelerated by Justin Trudeau, be discontinued immediately,” is one of the group’s demands.
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Make sense but lack of understanding of the history - it wasn't decided by Canadian or within the scope of Canada. You got to understand that at the same time even Australia had to abolish its "white Australia" policy.
Anyway it was decided by American and others just followed, you didn't have a choice. They had to go ahead with this, otherwise you would lose the cold war.