As the age of Agriculture began humans began to understand how to control and manage their lands. Stated from the book the change of habits mostly affected those who live in more or less fixed community. Now that revolution has developed people began to learn to live in one area and make due to their surroundings. For example, people started to produce food by growing vegetation and raising livestock. They learned that living in large numbers made it safer to fight and hold back attackers. In order to conserve food, they discovered to make potty and make cloth for clothing. Moreover, these people formed buildings and fortified cities developing a community to live on in and pass on to their children.