Answer: Fewer people were need to find food since farming produced a surplus.
Explanation: The surplus of food due to agriculture advances helped people find other lines of work and skills to use leading to the development of cities to share these newfound skills as they didn’t need to worry about food and survival so much. Hope this helped :)
It should be the third choice
2- An empire<span> is defined as a political unit or territory or large geographic area under a unified or supreme authority, often an emperor or empress. An </span>example<span> of an </span>empire <span>is the area over which Alexander the Great ruled.</span>