Final answer:
Thomas Paine's 'Common Sense' significantly influenced public opinion, encouraging support for the American Revolutionary War. Its clear language and compelling arguments for independence mobilized colonial support against British rule.
Step-by-step explanation:
Thomas Paine's Common Sense was instrumental in the American Revolutionary War, but not as a military strategy or treaty. The correct answer to how it was used to win the war is: b) It influenced public opinion and encouraged support for the war.
Paine's pamphlet presented the case for independence utilizing 'simple facts, plain arguments, and common sense.' It spoke directly to the colonists, arguing for equal rights and self-governance. By shedding light on the deficiencies of British rule and drawing on concepts of natural rights and economic pragmatism, Paine was able to convince many undecided colonists of the need for independence from Great Britain.
This shift in public opinion helped bolster the cause for independence and enhance colonial unity, contributing significantly to the war effort.