They did not. ISIS was a direct consequence of the US invasion of Iraq. Instead of stomping out terrorists, they created a whole bunch of new terrorist cells and inspired the arab spring uprisings.
And more for Israel itself "Israeli intelligence officials had new evidence that Iraq was speeding up efforts to produce biological and chemical weapons"
They did not. ISIS was a direct consequence of the US invasion of Iraq. Instead of stomping out terrorists, they created a whole bunch of new terrorist cells and inspired the arab spring uprisings.