As a result of the battles of Trenton and Princeton during the American Revolution,

Morale of the Revolutionary Army grew high and the Patriots were even able to capture some territories around the New Jersey.

Explanation:

Defeats that Washington's army suffered during the battle of New York led to the decrease of morale and even some started doubting the cause of the Revolution. That is why Washington decided to cross practically frozen Delaware river with his army and managed to defeat the British forces, that were supported by Hessians forces. That increased the morale of the army and Congress continued to support and finance their fight.

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