Which of the following is affected by aggressive maneuvering?

Aggressive maneuvering has a significant impact on flight control commands. When a pilot executes aggressive maneuvers, they often require rapid and extensive movements of the flight control surfaces to maintain control and achieve the desired aircraft response. This can put a strain on the aircraft's control systems and may lead to increased workload for the pilot as they have to manage the aircraft's attitude and direction closely.

Additionally, aggressive maneuvers can lead to higher stress on the aircraft's airframe and may trigger various responses in the flight control systems that are designed to ensure stability and safety. The necessity for swift and precise control inputs can also impact the coordination between different flight controls, necessitating a better understanding and management from the pilot to avoid over-controlling and risking instability.

In contrast, while aggressive maneuvers can also influence fuel efficiency and flight stability, the primary and more immediate concern directly relates to how the aircraft's flight control commands respond during such conditions, making it the most accurate choice in this context. Emergency systems are generally not affected in the same manner as flight control commands during aggressive maneuvering.