Concept:The Oputa panel was a commission set up to probe past human rights violations.
Explanation:The Oputa panel was officially called the Human Rights Violations Investigation Commission.
It was established in Nigeria in 1999.
Its main purpose was to investigate human rights abuses committed during military rule.
The panel examined abuses that occurred between 1966 and 1999.
This period covers nearly all of Nigeria's military governments.
The commission was not concerned with military spending, arms trade, or promoting military intervention.
Therefore, the correct option is the one that mentions investigating human rights abuses under military rule.
Answer:C. investigate human rights abuses during the military rule.