What was the main reason why australia's economy collapsed right before the great depression began?

There were many events that collaborated with the collapse of their economy. Among them we can mention:

Post War results, wartime inflation, the reduced demand for imports from Australia as well as the higher unemployment rate, contributed to the collapse.

Also, we can mention the change in the Australian currency, and its relation to the Pound Sterling and Gold, which resulted in a fall in export demand, since the prices were less competitive in the market.

lee and grant, both of whom held the highest rank in their respective armies, had known each other slightly during the mexican-american war (1846-48) and began their dialogue by exchanging awkward personal inquiries. characteristically, grant had arrived in his mud-splattered field uniform while lee had turned out in full dress attire, complete with sash and sword.

explanation:

an earnest tone.

because portia wants to know why brutus has been acting strange lately.