Question

the general planned a dangerous mission, knowing that not everyone would return. he assigned rookie soldiers to lead, believing their loss would not matter to the bigger picture. in his eyes, they were _____.
voracity
fortitude
subliminal
expendable

Explanation:

The general thought the loss of rookie soldiers wouldn't matter for the overall mission. "Expendable" means something or someone that can be sacrificed or used up without serious loss. So this word best fits the context.

Answer:

expendable