Did you provide them with strong SOP? . Also the reason could be that they have lots of domestic applicants.
However, I suppose if you get accepted to UoT you would not be interested in those reasons anymore. Wish you a luck!
You also could ask them for details of refusal. Just explain them you would not like to make the same mistake again somewhere else.Admission to all graduate programs is highly competitive due to limited enrollment capacities. Meeting the minimum requirements does not guarantee admission.
However, I suppose if you get accepted to UoT you would not be interested in those reasons anymore. Wish you a luck!