Which best describes why it is necessary to evaluate a solution? to eliminate all roadblocks to success to determine whether it is working to show there is interest in its success to ensure everyone is happy with it

b

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.

majority rule is most important in a representative democracy.