Obama's attacks on Syria and especially Libya created a power vacuum - the incumbent leadership was bad, but in its absence there was a void that anything could

Obama's attacks on Syria and especially Libya created a power vacuum - the incumbent leadership was bad, but in its absence there was a void that anything could move into. If Kaddafi were still running Libya, ISIS wouldn't have been. This is also true in Syria, but perhaps to a lesser degree than Libya, since the vacuum was less hard.