I’m the Declaration of Independence, Thomas Jefferson listed a series of grievances that colonist had against British rule. What purpose did this serve?

Answer:
The list outlined how the British broke the social contract
Explanation:
The writers of the declaration of independence listed, on the document, many times that the Americans were mistreated by the British. By doing so, they were adding evidence that supported the claim that independence was the way since they did not accept to be badly treated, ignored, and to be kept as second class citizens only to mindlessly serve the crown.