can someone give me information on the great depression in canada?

on one of these topic's

Dependence on Few Primary Products -
Dependence on the United States –
High Tariffs – Too Much Credit

i need alot of information on any one of these topic's

http://www.yesnet.yk.ca/schools/projects/canadianhistory/depression/depression.html

http://canadianeconomy.gc.ca/english/economy/1929_39depression.html

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