Final answer:
The main purpose of the final sentence in the excerpt is to caution the colonists about the risks of war and discourage temporary resolution
Step-by-step explanation:
The main purpose of the final sentence in the excerpt from Thomas Paine's 'Common Sense' is to caution his fellow colonists about the future risks of war the colonies may face. Paine argues that if the colonists entertain the idea of temporary resolution or compromise with Great Britain, their descendants will look upon them with contempt. He believes that the struggle for freedom from Great Britain should not be taken lightly and must continue until complete independence is achieved.
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