so, the idea is that there are two opposing armies -- one, the haddarian army and the other one is theeldarian army, and they've been in conflict for a long time. the point of having two separate armies is a way that we can show simulations with prisoners of war and humanitarian workers, and indiscriminate weapons. >> can i join in? >> absolutely! >> so, i joined the group haddarians, and we got ready for things to begin, which they did, with a bang. >> every one up! let's go! let's go! >> so, the first simulation that we do is called "prisoners of war," and what we do is we sort of surprise the students. they're not anticipating it. we take away their rights to food and water and their ability to contact their family members. we make them do push-ups and sit-ups, and we run them around, and they have to repeat a song. >> ten jumping jacks -- let's go. repeat after me. first came the soldiers. >> first came the soldiers. >> then came the sailors. >> then came the sailors. >> jumping jacks -- let's go. then came the prisoners of war. >> then came the prisoners of war. >> and the whole c