The US Government is not concerned about protecting the lives of Christians, even if it is in a country that we can successfully pressure to do something about it.
True, but they would be if enough people get vocal about it. (Elected officials like to keep their jobs.)
even if it is in a country that we can successfully pressure to do something about it.
If we can make our elected officials interested enough, they may not be able to force the other nation to do what we want, but they can at least make it less comfortable for them not to.