One purpose of close order drill is to provide troops an opportunity to do what?

Close order drill serves multiple purposes, one of the primary ones being to ensure that troops become proficient in handling their weapons. Through repetitive movements and formations, soldiers learn how to effectively maneuver with their weapons, which is crucial in combat situations. This practice enhances their familiarity and comfort level with their equipment, allowing them to react appropriately under pressure.

While the other options may touch on some aspects of troop training or cohesion, they do not specifically focus on the critical skill of weapon handling that is emphasized during close order drill. The nature of this type of drill is centered around maintaining discipline, precision, and readiness, all of which are integral to effective weapon management in combat situations.