The document discusses the complex relationships between various Islamist groups operating in Syria and Iraq, including ISIS, Al-Qaeda affiliated Al-Nusra, and other factions. It notes that Al-Nusra wanted to create its own Islamic state in Syria, competing with ISIS which wanted a unified Islamic state across Syria and Iraq. Meanwhile, countries like Turkey, Qatar, and Saudi Arabia supported different factions and plans for the future of Syria and Iraq, sometimes coming into conflict with each other and with Iran and Russia's backing of Assad. Over time the situation continued shifting as the goals and alliances of these groups changed.