Answer:
The three main goals of the committees were to establish a system of communication with other assemblies in the other colonies, educate the townspeople on their political rights, and obviously, rally support to the cause of American independence against British rule.
Step-by-step explanation:
The committees of correspondence helped the colonial leaders and assemblies communicate with Parliament about the colonists' rights. The committees of correspondence helped spread the rebellion by facilitating the exchange of ideas and information within and across colonies.