Washington’s defeat of Cornwallis at Yorktown:
Group of answer choices:
O would have been impossible without Benedict Arnold’s poor generalship on behalf of the British.
O made up for Washington’s failure to support General Nathanael Greene at the Battle of Guilford Courthouse.
O destroyed British public support for the war. angered the French, whose fleet had yet to arrive and who wanted credit for the victory.

Right choice:

Destroyed British public support for the war.

Explanation:

General Lord Charles Cornwallis , the British Supreme commander, surrendered to the Continental Army force led by George Washington on October 17, 1781 at Yorktown. The news of the surrender and the great loss of forces in America deeply dissapointed the British public. In March 1782, the British Parliament passed a resolution calling for an end to the war.

necessary and proper clause. the congress shall have power to all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states, or in any department or officer thereof.