Ben "tries to teach his students the practical relevant aspects of history". Give TWO examples which demonsrate it.

Mr. Ross devises an experiment to show his students what life was like under the Nazis. The next day, he introduces the students to the concept of “Strength Through Discipline.” He explains that they can make their lives better if they live in a more organized and disciplined fashion. 

At the rally, Mr. Ross shows the enthusiastic students footage of Hitler. He explains that this is their leader, and they would all have been good Nazis if they had lived in the 1930s. He urges them to think critically and to stand up for themselves rather than submitting mindlessly to the group.