Answer:
let me guess Once Macbeth stops struggling against his ambition, the conflict shifts. ... The characters who oppose Macbeth and eventually defeat him do so in order to ... The play actually opens with the consequences of someone else's ambition. In the ... has come true, he is awakened to the possibility of the second also being realized.
Princess is already in singular form. To make something posessive, you need to add either 's or '. Since the last letter of "princess" is an "s" the answer would be princess'.