Respuesta :
The word described by the underlined objective complement is mission.
What did they call the mission? Unnecessary and wasteful.
What is unnecessary and wasteful? The mission.
What did they call the mission? Unnecessary and wasteful.
What is unnecessary and wasteful? The mission.
The word that is described by the underlined objective complement is mission.
An objective complement is a noun or adjective that follows the direct object of the sentence -in this case, mission- and gives more information about it. This structure is usually used after verbs like make, name, call, appoint, etc.