The United States currently maintains concentration camps. Here is a list of countries that have or have had concentration camps.
There are a few gaps, but the head is on there really solidly. I haven't tried to knock it off the handle yet, but I chopped through a couple 8 inch thick branches and split some logs and there is no slipping or rattling going on. It really feels pretty nice to use.
I had a pretty inexpensive tomahawk with no hammer poll that I hammered tent stakes with, and I ended up flattening the back of the eye a bit. If I wanted a tomahawk primarily just for chopping or throwing, I would go without the hammer poll because it is lighter. If I want more of an all-round...