Question

One hypothesis about aging is that when _____ began, adults developed brains that promoted more planning, remembering, and strategizing than was previously necessary.

Answer 1

The answer is agriculture.

Step-by-step explanation:

Agriculture is sometimes described as the greatest discovery in humanity's History, precisely because it was a landmark in the progress of human societies. The reason is it allowed people to settle in a definite location (i.e. they became sedentarian), which meant a person was assigned a specific role in the community.