Reaganomics had four parts: reducing federal spending, reducing regulation, cutting taxes, and what?

b. the passage of the equal rights amendment  

explanation:

this mean that anything that someone else could do they could do

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.