Final answer:
The essay read before the Battle of Trenton to boost soldiers' morale was The Crisis, No. 1 by Thomas Paine.
Explanation:
The Crisis, No. 1 was the essay by Thomas Paine that was read to the Continental Army before the Battle of Trenton to boost the soldiers' morale. Paine's series of sixteen pamphlets known as The Crisis were influential in applauding America's actions and lifting soldiers' spirits during the Revolutionary War.
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