Which event marked the end of the Revolutionary War?

A. the surrender of Thomas Brown

B. the surrender of British General Lord Cornwallis***

C. the American loss at Camden, South Carolina

D. when the Continentals took George Galphin's outpost at Silver Bluff

Is this correct?

Right. B.

Yes, your answer is correct. The event that marked the end of the Revolutionary War was the surrender of British General Lord Cornwallis. To arrive at this answer, one can analyze the options provided and consider the historical context. Options A, C, and D are not accurate because they reference specific battles or individuals that do not correspond to the end of the war. The surrender of British General Lord Cornwallis in October 1781 at Yorktown, Virginia, is widely recognized as a significant turning point that led to the eventual end of the Revolutionary War. This event marked the defeat of a major British army and played a crucial role in securing American independence.