How do we know that Thomas Jefferson wrote moe thanone draft of the Declaration of independence?

We know that Thomas Jefferson wrote more than one draft of the Declaration of Independence due to the existence of various manuscripts and notes from the drafting process. Historical records, including the "Rough Draft" of the Declaration, reveal changes and revisions that Jefferson made before arriving at the final version. Additionally, other Founding Fathers, such as John Adams and Benjamin Franklin, referenced Jefferson's multiple drafts during discussions about the document, further confirming the iterative process of its creation. These drafts are preserved in archives and have been analyzed by historians, providing insight into Jefferson's evolving ideas on independence.