A combination of syrian and iraqi ground troops kurds and airstrikes from NATO and Russia Killed em all and regained their official territory. They hold no major cities. No income and no base of power. Any that are left are hiding in the desert. Most foreign fighters have returned home. Most (from the west) have been detained and incarcerated by their home countries as foreign terrorists because most countries revoked their citizenship.
A branch of al qaeda. Al Bagdadi and others disagreed with bin laden on some things. Probably when to create the califate. It didnt become ISIS till after Bin Ladens death
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