How did the committees recruit people to the “patriot” cause?

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.

nigger, that word was originated for white folks   to keep black people under

and when black people use it, they know that's just how they greet each other

and when white folks use it, they know there's a double meaning under

can you explain it better