Chain of command and unity of command help eliminate confusion caused by:

The correct response highlights that chain of command and unity of command are essential for preventing multiple, conflicting directives within an incident management context. Establishing a clear hierarchy and a unified point of command ensures that everyone involved in the incident response receives consistent instructions and understands who is in charge. This clarity reduces the chances of team members receiving conflicting information or directives from different leaders, which could lead to chaos and hinder effective response efforts.

When a single individual or team is designated as responsible for decision-making, it helps streamline operations and maintain focus on the incident objectives. This organizational structure is vital in emergency situations, where rapid and coordinated action is necessary.

The other options, while they may present challenges, do not directly relate to the confusion that arises from directing the response efforts. Unclear communication channels, lack of training, and insufficient resources can certainly complicate an incident response, but it is the unified command structure specifically that directly addresses the issue of conflicting directives.