that was the Caribbean colonies
Whilst European economies suffered during the First World War, the USA experienced significant growth. US banks loaned money to Europe and businesses sold much needed goods. The war also provided a stimulus for inventions in production, materials and advertising. Immediately after the war there was a small slump but from 1922 the USA experienced an unprecedented economic boom.
The stock market crash started it all.
Explanation:
The stock market crash of 1929 touched off a chain of events that plunged the United States into its longest, deepest economic crisis of its history. It is far too simplistic to view the stock market crash as the single cause of the Great Depression. ... By 1929, companies had expanded to the bubble point.