" Edward Rutledge, a member of South Carolina’s delegation to the Continental Congress, said that Dunmore’s declaration did “more effectually work an eternal separation between Great Britain and the Colonies—than any other expedient which could possibly have been thought of.”70 Not the taxes and the tea, not the shots at Lexington and Concord, not the siege of Boston; rather, it was this act, Dunmore’s offer of freedom to slaves, that tipped the scales in favor of American independence. "

― Jill Lepore , These Truths: A History of the United States