Which country helped the Americans at this battle location by selling up a Naval Fleet of 29 ships from the West Indies to defeat the British Royal Navy in the Battle of the Capes in September of 1781?

The Battle of the Chesapeake, also known as the Battle of the Virginia Capes or simply the Battle of the Capes, was a crucial naval battle in the American Revolutionary War that took place near the mouth of the Chesapeake Bay on 5 September 1781. The combatants were a British fleet led by Rear Admiral Sir Thomas Graves ... De Grasse hastily prepared most of his fleet for battle—24 ships ...

Explanation:

unless they converted, many non-christians (mainly jews and muslims) were persecuted