Agriculture developed between 9000 and 1000 BCE as a result of which of the following factors
A. The climate change that resulted from the end of the last ice age
B. The migration of human groups into colder regions
C. The success of hunter-gatherer societies in obtaining food
D. The desire of poor people to control their own government
Generally speaking, agriculture developed between 9000 and 1000 BCE as a result of "A. The climate change that resulted from the end of the last ice age," since this change was essential for proper crop growth.