Early civilizations, such as those in egypt, sumer, and harappa, were all

i am pretty sure the awsers is d.

wilsons 14 points

hope i

d. the great plains       hop3 this yo

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.