The only "unifying characteristic" is hatred for Jews. However, that describes most everyone from Pakistan to the Atlantic. The area was virtually empty in the mid 1800s, per 1st hand writings by Mark Twain. The present population is immigrants from Egypt and Arabic Pen.,1890-1930, displaced persons per 1948 war, and lastly, returning Jews to their homes after complete ethnic cleansing by Jordan, 1948-1967. Hardly qualifies the WB Arabs as unique and worthy of a state, according to UN rules.
Syria foreign minister in Tehran for talks with Iran, Russia (Reuters)