First example: anecdote. The example suggests a narration, particularly through the words "outcome; left alone; etc". The situation also shows that either what preceeds or follows is a experience, that is an action.
Second opinion: expert opinion. This kind of supporting evidence is usually given by professionals, in this case a doctor. The word 'helpful' suggests it is an opinion rather than a fact.
Third example: fact. The use of the present simple tense and the fact that the information is specific shows that it is a fact.
Fourth example: emotional appeal. This kind of supporting evidence uses a variety of words full of emotion. In this example, emotional words include "pledge; striving; and vulnerable". The example appeals to emotions, which is the purpose of this type of evidence.
First person view makes people feel more engrossed into the book. They also feel like they are experiencing first-hand . Also, things can be described better.
This is a matter of perception. Evil inflicted for no justifiable reason is in itself evil. However, murder is evil yet in certain circumstances, one can be forced to act in an evil manner, without choice, especially when protecting yourself or a loved one
Answer: The Gandhian strategy is the combination of truth, sacrifice, non- violence, selfless service and cooperation. According to Gandhi one should be brave and not a coward. He should present his views, suggestions and thoughts without being violent. One should fight a war with the weapons of truth and non violence.
Hope this helps :)