Final answer:
Thomas Jefferson wrote the Declaration of Independence to air grievances against the British king.
Step-by-step explanation:
Thomas Jefferson's purpose in writing the Declaration of Independence was to air grievances against the British king. Jefferson wanted to state the colonists' complaints and seek redress for their grievances. By doing so, he intended to create a case for the colonies to separate from British rule.
Learn more about Thomas Jefferson's purpose in writing the Declaration of Independence