The correct answer here is the last option.
Propaganda is a used to shape a public a opinion systematically and deliberately often selectively using the facts in such a way to influence the public, so the final option is the correct option as it uses stories and images to help further a certain cause.
The Agrarian Era is one of the most important points in the human history and development. In this era, the humans changed their lifestyle from nomadic to settled one because they were able to produce surplus of food. This resulted in great and rapid development and progress of the human societies. As the humans had much more spare time, they started to occupy themselves with lot of other things, such as science, arts, building, resulting in an explosion of inventions and advancements in a very short period of time, and the process was constantly accelerating and the human kind was moving forward quicker and quicker.