Answer:
A. As humans developed agriculture, they were able to stop following
herds of animals and build towns and cities.
Step-by-step explanation:
The Neolithic is the most important period in history. With the adoption of livestock and agriculture the first cities were created in the fertile valleys, these were formed, the aristocracy, the division of powers, the war, the property, writing, population growth. In short, the pillars of the world in which we live arose.