what does this mean to note 3 things that were, or might have been, seen as "clouds in the blue skies of prosperity".
i looked in my book it dosent say
You're probably talking about the 1920s before the Great Depression.
Many people were making money -- but borrowing to do so.
The stock market kept going up -- a sure sign that the bubble was going to burst.
There were few safety nets for people who didn't have much money.
Greed overcame common sense for some people.
Companies and the stock market had very little government oversight.