What is three ways Spanish flu has greater effect on history

Well since it killed over 50 million lives it is a historic thing especially considering now with a pandemic going on.Another effect it had it was happening during world war 1 which helped the spread.

Explanation:

john maynard keynes developed new economic theories in response to the : b) great depression of the 1930s. his theories are so important that they are known as "keynesianism". in his works he supports the idea of a government with deeper involvement and intervention to end the great depression.