Answer:
Safety, chaos prevention, happiness of these two combined.
Explanation:
You've got the 3 sentences part, I suppose.
The correct answer is D, domestication of animals. All other alternatives refer to events that only happened later.
In order to affirm an Agricultural Revolution ocurred, historians have to choose the most important changes and events that determine that from that moment onwards life was different.
The most important thing that supports the idea of an Agricultural Revolution is that humans started to domesticate plants and animals, which made possible for them to settle and stop being nomads.
This lead to the birth of cities and to radically change how those people lived.
One of the major incidences that the rights of the sports personalities were violated was when medical reports had stated that a certain brain disorder called CTE could have a higher risk on NFL players. In contrasts, it was rejected by the NFL organisers due to lack of evidence though they must be alarmed because it concerns the welfare of their players.
