Which is principal organ of the United Nations that as virtually accomplished its object?

The Trusteeship Council, one of the main organs of the UN, was established to supervise the administration of trust territories as they transitioned from colonies to sovereign nations. The Council suspended its activities in 1994, when Palau, the last of the original 11 trust territories, gained its independence.

Because in 1994, the trusteeship council did its final operation of Pallu