
Ben Franklin's World 432 How France and Spain Helped Win the American Revolution
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Jan 27, 2026 John Ferling, historian and professor emeritus of the American Revolution, walks through how European rivalry reshaped the war. France’s secret aid, the shift after Saratoga, and the naval buildup that made Yorktown possible. Spain’s strategic entry and wider European loans also prolonged the struggle. The conversation focuses on diplomacy, military coordination, and the global stakes that decided independence.
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Bonvalard’s Secret Mission
- French officer Bonvalard posed as a merchant and met secretly with Congress in Philadelphia in December 1775.
- He reported the Americans could wage war and urgently needed arms, engineers, and supplies.
Why French Aid Was Secret
- France initially provided secret aid because it feared open intervention would trigger a war it wasn't ready to fight.
- French leaders believed their navy could not challenge Britain until about 1778, so secrecy reduced immediate British provocation.
Saratoga Prompted Open Alliance
- Saratoga was a critical event that convinced France an alliance was needed to prevent British reconciliation with the colonies.
- Vergennes feared British peace offers could salvage the empire, so he moved from covert aid to formal alliance in 1778.




