What support does Thomas Jefferson provide for his claim that the British King has failed to protect the rights of the American colonies?

Thomas Jefferson supports his claim that the British King has failed to protect the rights of the American colonies by listing grievances in the Declaration of Independence. He highlights specific actions taken by the King, such as imposing unjust taxes, maintaining standing armies in peacetime without consent, and dissolving colonial legislatures. These examples illustrate a pattern of behavior that undermines the colonies' rights and freedoms, portraying the King as a tyrant who disregards the principles of governance and the welfare of the American people.