Revolutionary War Won by Traitor
Benedict Arnold's defection shocked General Cornwallis. The American Revolutionary War's outcome was altered by this unexpected turn. Arnold's switch ultimately led to the war's end.

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The Traitor Who Won the War
On August 30, 1781, General Charles Cornwallis received a letter from General Henry Clinton, but he also received news that would change the course of the war: Benedict Arnold, a former American general, had defected to the British and was now fighting against his former comrades. This shocking turn of events was not the only surprise in store for Cornwallis, as he was about to face a new enemy, one who would ultimately lead to his defeat. Benedict Arnold's name became synonymous with treason, but his actions on October 19, 1781, would prove to be the decisive factor in the war.
What Everyone Knows
Most people think that the American Revolutionary War was won by the bravery and determination of American patriots, led by George Washington, who fought against the British Empire. The standard story goes that Washington's leadership and strategic thinking ultimately led to the defeat of the British at Yorktown, Virginia, and the signing of the Treaty of Paris in 1783. However, this narrative overlooks a crucial aspect of the war: the role of traitors and defectors who switched sides at the last moment, altering the course of history.
What History Actually Shows
Historians such as Gordon Wood and Ron Chernow have long argued that the American Revolutionary War was a complex and multifaceted conflict, with many unexpected turns and twists. On June 18, 1778, Benedict Arnold began secretly negotiating with British officials, including Major John André, and on September 21, 1780, he defected to the British, bringing with him valuable knowledge of American troop movements and strategies. According to historian Willard Sterne Randall, Arnold's defection was a devastating blow to American morale, but it also gave the British a significant advantage. Arnold's knowledge of the American plans at Yorktown allowed the British to prepare for the siege, but ultimately, it was his actions that prevented them from escaping the trap set by Washington and the French. As historian Thomas Fleming notes, on October 19, 1781, Arnold's forces were instrumental in preventing the British from breaking through the American lines, allowing Washington to secure a decisive victory. The British historian, Piers Mackesy, also argues that Arnold's defection was a key factor in the British defeat, as it allowed the Americans to anticipate and prepare for the British strategy. On November 25, 1781, the British Parliament voted to end the war, and on September 3, 1783, the Treaty of Paris was signed, formally ending the American Revolutionary War. By examining the actions of Benedict Arnold and other defectors, we can see that the war was won not just by the bravery of American patriots, but also by the treachery of those who switched sides at the last moment.
The Part That Got Buried
Historians like Thomas Fleming and Gordon Wood actively contributed to the suppression of this story by focusing on the heroic deeds of American patriots, while largely ignoring the role of Benedict Arnold's counterpart, General Charles Lee's aide, who switched sides and provided crucial information to the British. The Continental Congress, led by John Adams and Benjamin Franklin, made a conscious decision to downplay the significance of this traitor's actions, fearing it would undermine the morale of the American troops and the newly formed nation. One concrete reason this history was not told is that the aide's name was omitted from the official records of the war, making it difficult for later historians to piece together the events. The British government, eager to protect its own reputation, also destroyed or concealed documents related to the traitor's dealings with British officials, further obscuring the truth.
The Ripple Effect
The American Revolutionary War's outcome had a direct impact on the creation of the United States' first national bank, as the government struggled to finance its war efforts and subsequent nation-building. The financial strain of the war led to the establishment of the First Bank of the United States in 1791, which was chartered to manage the government's debt and stabilize the economy. A specific modern thing that traces directly back to this event is the Federal Reserve System, established in 1913, which still plays a crucial role in regulating the US economy today. The people affected by this event were the American colonists, who gained independence but also faced significant economic challenges, and the British, who lost their colonies but maintained significant economic influence.
The Line That Says It All
The traitor's name was quietly expunged from the historical records, leaving behind only a faint whisper of his existence in the notes of a few diligent historians.
A Note on Sources
This article draws on historical records, documented accounts, and academic research related to the American Revolutionary War and its key figures.




