Pack Structure Articles
It is up to you to establish pack structure and teach your dog the rules. Read about what it takes to become your dog's pack leader.
If you feel you need additional training help for a dog aggression issue, I would recommend an online course I recently completed DEALING WITH DOMINANT AND AGGRESSIVE DOGS. This course does a deep dive into the causes of dog aggression and pack structure. It's well-organized and has over 20 courses of training information.