The Hitler Youth disciplined the young boys which helped in the security of the country from external threats and to also train the boys to be more matured and contribute to society.
It was a win-win situation and the source shows that both parties were happy with the agreement.
This political cartoon shows how many people were killed during the Nazi rule. Loss of loved ones is surely a terrible experience especially if it is death in masses.
This source shows how the children were used for medical experiments in concentration camps. They were treated with no compassion at all.