A farmer in an early civilization grows a crop surplus and shares it with his neighbors. Which of the following events must have occurred before this scenario could happen? A. The development of argiculture

"act of congress" : ) hope this

number 4. should be the correct answer

the answer should be a. the sui empire, the tang empire extended from korea in the west to manchuria in the east.

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.