Was it wise for the US to leave Iraq without even a residual force in place?
For that reason, the critical danger in Iraq today is not the residual violence, but the Iraqi reaction to that violence.
There is a lot of residual concern that Lizard Squad was able to get even this far.
residual re·sid·u·al (rĭ-zĭj'ōō-əl)
Of, relating to, or characteristic of a residue.
Remaining as a residue.