This clip describes Qin Shi Huang's strict regime. He ordered the burning of books advocating for freedom of thought so that he can preserve his own law. When the intellectuals spoke out against the book burning, Qin ordered them to be killed.
This scene shows the Hitler Youth Camp that's aimed towards encouraging the Nazi ideology upon children. This is done through propaganda and exciting activities that look very much like Boy Scouts. Near the end of the clip, we see Captain Klemzendorf showing disdain towards the book burning, and Jojo shows confusion towards the purpose of this activity.