Quote "The Sharif of Mecca and other Arab leaders considered the declaration a violation of a previous commitment made in the McMahon–Hussein correspondence in exchange for launching the Arab Revolt"

1917 Balfour Declaration (in which British Government publicly announced its support for the establishment of a "national home for the Jewish people" in Palestine) had compatibility issues with the pledge given to recognize independent and unified Arab state for Palestinians in order to start 1914-1918 Arab revolt