Respuesta :

I think you forgot to give the options along with the question. i am answering the question based on my knowledge and research. Count Charles Henri d'Estaing’s BIGGEST mistake while trying to recapture Savannah during the Revolutionary War was giving Augustine Prevost twenty-four hours to surrender. I hope that this is the answer that has helped you.
Thank you for posting your question here at brainly. I managed to check for the choices elsewhere, below are the choices. The answer is D. I hope it helps. 

A) being in a hurry to return home to France.
B) refusing to withdraw his ships from Savannah’s ports.
C) declining the help of Lincoln’s troops from Charleston.
Eliminate
D) giving Augustine Prevost twenty-four hours to surrender.