Why was it a mistake for general cornwallis to move his troops to yorktown?

RIGHT, It was on a peninsula and easily surrounded by enemy ships.

Explanation:

American troops in command of Lafayette staged raids Cornwallis and held him in the South.

Cornwallis made a blunder mistake. He should send the part of his Army to the North but he brought them to the Yorktown peninsula.

George Washington saw this moment as a great opportunity to ambush Cornwallis on the peninsula.

Also, the French fleet under Admiral de Grasse headed over to cut off Cornwallis.

lying without the limits of the several states; and may permit them, at such times, and in such manner as it

i confess that there are several parts of this constitution which i do not at present approve, but i am not sure i shall never approve them: for having lived long, i have experienced many instances of being obliged by better information or fuller consideration, to change opinions even on important subjects, which i once thought right, but found to be otherwise. it is therefore that the older i grow, the more apt i am to doubt my own judgment, and to pay more respect to the judgment of others.