In an Audio Press, the US Press Secretary said the illegal MOU Ethiopian PM Abiy Ahmed Ali signed with Somaliland separatist leader Muse Bihi poses threat to the United States National Security & stability of the Horn of Africa and beyond.
He also said that the US is certainly troubled what is purportedly included in the document which violates

The US is also particularly troubled that this MOU threatens to disrupt the fight Somalia, ATMIS, and US were waging against the terrorist group Alshabaab.