Dog Training Questions

George asks…fearful aggressive dog?I have taken my dog to training and she was afraid of everyone there. She is afraid of dogs and humans. At the training classes she tried to bite dogs that were calm and bigger than her. she also tried to bite small hyper dogs. This only happens when someone or dogs come close to her. What can i do to help this situation? She is afraid of people too. She will bark at them when we go for walks. She will try to jump on them when they are close to her. How can

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