The colonists' three principal grievances center on individual rights, representation, and taxation. Individual rights are those that everyone is entitled to.
A complaint is a grievance. It might be official, such as when a worker files a grievance over unsafe working conditions, or more personal, such as when you file a grievance against an old friend who betrayed you. An unjustified complaint is referred to as a grievance.
Jefferson drafted the Declaration of Independence in 1776. It expressed "self-evident truths" of liberty and equality and was a list of complaints against the monarch of England used to support independence from British authority.
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