Several years ago, I was getting some push-back for saying this very thing. I blamed it on McCain and Obama.
They armed and funded them.
Hell, al Qaeda units were signing up with their weapons we provided. Didn’t take a brain-trust to figure this one out.
1. Obama withdrew from Iraq in a very idiotic manor.
2. He sent in arms and funding.
3. He feigned innocence when ISIS sprang on the scene overnight.
Do you recall that the initial brain power of ISIS was prisoners we released from Club Gitmo?