Final answer:
The actions men and boys were expected to perform upon entering the barracks likely included maintaining cleanliness for inspections and practicing marching in proper formations.
Step-by-step explanation:
The question regarding the actions that men and boys were to perform upon entering the barracks isn't directly referenced in the provided information. However, drawing on the details given about military life and practices, it can be inferred that upon entering the barracks, soldiers were likely expected to engage in activities that fostered discipline and unity. These actions could possibly include keeping their areas clean for inspection and learning to march in correct formations. These routines instilled a sense of order and preparedness that was essential in the military context, emphasizing the transformation from civilian to soldier. Additionally, showing respect to superiors through saluting is another fundamental practice that would be observed in barracks life.