What did Roman soldiers carry their personal items in?

Roman soldiers carried their personal items in a sarcina. This term refers to a pack or bag that soldiers would use to hold their belongings, which included items such as clothing, food, and other essential gear. The sarcina was crucial for a soldier's mobility and readiness, allowing them to carry the necessary items while on the move during campaigns or marches.

The other terms listed have different meanings within Roman military context. An arcus refers to an arch or a bow, which was not used for carrying personal items. A scutum is a type of shield used by Roman soldiers for protection in battle, providing defense rather than serving as a storage item. A currus denotes a chariot, a vehicle used in battle or for transportation, which also would not be practical for carrying personal items in the manner of a soldier's pack. Thus, the sarcina is the correct answer for the item specifically designed for this purpose.