Final answer:
The author's word choice in the given passage helps advance their purpose by using strong and provocative language to criticize the king of Britain.
Step-by-step explanation:
The author's word choice in the given passage helps advance the author's purpose by using strong and provocative language to criticize the king of Britain. By describing the king in negative terms such as 'common murderer', 'highwayman', and 'house-breaker', the author is able to convey a sense of the king's illegitimacy and lack of moral authority. This supports the author's purpose of arguing for the justifiability of the American rebellion against British rule.
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