Answer
A) Use clues and you own experience to make a guess
According to freud, the ego is guided by the reality,whereas the id is guided by the pleasure. <span>The </span>id<span>, </span>ego<span>, and </span>superego<span> are names for the three parts of the human personality which are part of Sigmund Freud's psychoanalytic personality theory. Hope this answers the question.
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This depends entirely on the research project in question. For instance, if you want to learn more about how the memorial was constructed, you could look at the history of its architecture, etc. Or if you want to know more about how it was conceived you should look at the debates surrounding it's creation.
