What type of system should be used when each anchor point needs to share the load?

The correct choice is centered around the concept of load sharing, which refers to a system where multiple anchor points are utilized to distribute the load evenly among them. This is crucial in rope rescue scenarios, as it helps to reduce stress on any single point and increases overall safety and stability.

Load sharing systems are designed to ensure that when a force is applied, it is not concentrated on just one anchor but is instead divided among several anchors. This minimizes the risk of anchor failure and improves the integrity of the entire system. It is particularly important in technical rescue situations where the safety of rescuers and victims depends on the reliability of the anchor points.

In contrast, a load balancing system ensures that the forces are even but does not explicitly imply the shared use of anchors. Load splitting might involve dividing a load between different systems without the necessity of sharing the total load among several anchors. Load directing primarily focuses on controlling the direction of a load rather than distributing it among multiple points.