Why is Sybil considered an unsung hero?

The story of Sybil's daring ride wasn't widely known during her lifetime, and her name doesn't come to mind when most people think about the heroes of the American Revolution. But her courageous actions helped the colonists eventually win the war.

Explanation:

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the committees of correspondence were the american colonies’ means for maintaining communication lines in the years before the revolutionary war. in 1764, boston formed the earliest committee of correspondence to encourage opposition to britain’s stiffening of customs enforcement and prohibition of american paper money. the following year, new york formed a similar committee to keep the other colonies notified of its actions in resisting the stamp act. in 1773, the virginia house of burgesses proposed that each colonial legislature appoint a committee for intercolonial correspondence. the exchanges that followed built solidarity during the turbulent times and bring about the formation of the first continental congress in 1774.