Somalia has not existed for some time.Who knows why nations refuse to recognize that a real split has taken place.
Somalialand for certain is not going to reattach itself to a rotting failed state.
The U.S. has actually started making trade agreements and other diplomatic overtures to both Somaliland and Puntland. But they have stopped short of recognizing Somaliland as an independent country. Puntland threatened a while back to cut ties with the TFG if they didn’t straighten themselves out.