Based on your answers it seems like your anger starts when your empowerment and control are threatened.
Does this mean I'm a control freak? Maybe. But not necessarily. The bigger possibility is that at some point in your life a significant event threatened your personal empowerment or control. Now, when you face situations that touch on that sensitive spot your subconscious kicks in, causing you to feel threatened. Your anger appears to show you something is bothering you. Anger is actually a gift in that way!