Why were the battles of trenton and princeton important?

a. american forces successfully fought off a siege of both port cities.

b. the continental army drove british forces out of the northern states.

c. the united states used the victories to secure european allies in the war.

d. the continental army won battles that restored their confidence.

i'm pretty sure it's B.

Explanation:

The battles of Trenton and Princeton were a boost to the morale of the patriot cause, leading many recruits to join the Continental Army in the spring. After defeating the Hessians at the Battle of Trenton on the morning of December 26, 1776, Washington withdrew back to Pennsylvania.

do all equestions have to be answered