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  Australia borrowed a latge amount of money from London market
to help australias economy. - 
  
  
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  due to financial problems caused by world war wall street crashed and lots of people and banks lost lots of money all around the world
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  government spending was cut because they had to find ways to pay loans.
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  After wall street crashed and Australias trade droped significantly
australia economy was built on exports such as flour,wool,wheat and dairy by 1931 the price of these had fallen by 50%. - 
  
  sydney harbour bridge opens and is a triumph in the depths of depression.
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  one third of the working population are unemployed
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