Question: The Ogaden was given to Ethiopia on the basis of a treaty signed by the British with what Ethiopian leader?
Sentence: Meanwhile, in 1948, under pressure from their World War II allies and to the dismay of the Somalis, the British "returned" the Haud (an important Somali grazing area that was presumably 'protected' by British treaties with the Somalis in 1884 and 1886) and the Ogaden to Ethiopia, based on a treaty they signed in 1897 in which the British ceded Somali territory to the Ethiopian Emperor Menelik in exchange for his help against plundering by Somali clans.
Answer in sentence: yes