I think it is that it provided more workers because this is when women started working and got more rights. There were lots of impacts on Canada after the war, but I think that this one is the one.
Answer:
size and density of a trees rings can give information on past climates
Explanation:
Answer: Eruptions of molten material, magnetic stripes in the rock of the ocean floor, and the ages of the rocks themselves.
Explanation: I hope this helps!