Answer:
During and after
Explanation:
During World War 1 Canada looked like a real nation, united in the effort to help end the war. The negative effect caused by the Great War was that more than 60.000 Canadians were killed. These are important figures, due to the fact that at that time Canada belonged to the British Empire. When Great Britain declared war, Canada automatically was at war.
Now, I wonder what the French part (Quebec) of Canada thought of this tremendous loss of Canadian lives caused by a British imperial decision...
