The united nations only uses troops and trade embargoes to back the declaration of human rights.
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This is false.

The UN also uses other means, such as resolutions (it is a reminder to the party that does the abuse that they are being watched) and humanitarian help to back the Declaration of human rights.

On the other hand, they also use troops and embargoes to settle conflicts, and to provide security in the region. This has to do with human rights, but only indirectly.