That is true. Scapegoat theory is blaming someone else for their problems, instead of blaming themselves or what not. This makes that particular person intolerant of that person or group, and makes it seem like that person did nothing wrong. In this case, Hitler blamed the Jews for his problems, instead of blaming himself or other people. The Jews didn't do anything wrong, but he hated them anyways.
The leader of the Solidarity movement in Poland was Walesa.
Answer: Self-efficacy
Explanation: According to Albert Bandura, Self-efficacy is the ability of an individual to have influence over matters that concerns his or her life as well as have control over how this matters happen or occur. Self-efficacy is the belief in one's ability to perform, accomplish or overcome a particular task, this affects every aspect of human lives.
According to Albert Bandura, Dave's confidence about his ability shows that he has a high level of self-efficacy.