Final answer:
A supplementary command in military drill is given to provide additional information, which helps maintain discipline and order during operations. These commands are crucial for ensuring cohesion and adherence to strategic objectives within military units.
Step-by-step explanation:
In military drill commands, a supplementary command is typically given for option B) To provide additional information. This can include adjustments to a formation, changes in timing, or additional instructions not covered by the initial command. The supplementary command ensures that all units can execute movements cohesively and effectively, maintaining the discipline and order essential in military operations.
Military drills and commands structure the conduct of soldiers and units, fostering a sense of unity and precision that reflects the overarching principles of military discipline and strategy. According to LibreTexts, it's crucial for an army to be well-disciplined and for orders to be consistently enforced. Commands, whether initial or supplementary, play a vital role in ensuring that troops adhere to the strategic objectives set by their leaders, and they are an integral part of military training and operations.