American Soldiers Sent to Fake Concentration Camp As War Game

The video discusses the capture of concentration camps and the experiences of American soldiers, referred to as 'Yanks', who encountered the harsh realities of Nazi-inflicted suffering, known as weltschmerz. It highlights the grim lessons learned from carelessness and describes the soldiers' brief stay in a prison referred to as Shickel Gruber's pokey. The video concludes with the soldiers' inability to stomach the horrific sights they witnessed, showcasing their reactions.

What does the phrase 'grim lesson' suggest about the experiences described?

In what ways did the doughboys express their discomfort during their stay?