Answer:The stock market crash of 1929. During the 1920s the U.S. stock market underwent a historic expansion. ...
Banking panics and monetary contraction. ...
The gold standard. ...
Decreased international lending and tariffs.
Step-by-step explanation:
Overproduction, Canadian reliance on exporting staple products, Canadian dependence on the United States, economic protectionism, internal debt from WW1, stock market crash.