What was the letter that Cornwallis sent to Washington about?

Cornwallis's letter to Washington, sent in October 1781, was a formal correspondence regarding his surrender at Yorktown. In the letter, Cornwallis requested a cessation of hostilities and sought terms for the capitulation of his forces. This communication reflected Cornwallis's recognition of the inevitability of defeat and was a crucial moment in the American Revolutionary War, ultimately leading to the end of major combat operations.