In 1931 by（）Canada was formally declared to be a sovereign nation and became a member of the Common-wealth of Nations.Athe Peace Treaty of 1919Bthe Statute of WestminsterCthe Meek Lake AccordDthe constitution Act of 1982
In 1931 by（）Canada was formally declared to be a sovereign nation and became a member of the Common-wealth of Nations.
Athe Peace Treaty of 1919
Bthe Statute of Westminster
Cthe Meek Lake Accord
Dthe constitution Act of 1982
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