The kind of device this author is using is Dramatic Irony, when the reader knows something the character does not.
Answer and Explanation:
The agricultural revolution must be supported on the grounds of survival and security. This is because, although we have survived all these years as collectors, we have no guarantee of food, water and shelter. The Agricultural Revolution will give us food security, as we know that we will have enough to feed ourselves in the coming days. This revolution will also give us a fixed shelter, which we will not need to compete with dangerous animals, or even face deadly disputes. Finally, the agricultural revolution prevents us from walking for hours and hours, it will give us work, but also rest and a more peaceful life.
The simple predicate in a sentence is the main action word. In this case, it is "live."
