The political cartoon was used by Benjamin Franklin to tell that the colonies joined in the war for independence or they dies in the hands of the British colonial rule.
What was the war for independence?
This was the war that the colonists started because they had finally gotten to the stage where they felt the time was right to leave the British rule and have their own self governance. This was what resulted to the American revolution. The end of the war saw the Americans winning the British side.
Hence we can say that The political cartoon was used by Benjamin Franklin to tell that the colonies joined in the war for independence or they die in the hands of the British colonial rule.