A. The British were fed up with war's casualties and with heavy taxes levied to pay for the war.
Explanation:
The siege of Yorktown took place on October 19, 1781 at Yorktown, Virginia. This was a decisive battle during the Revolutionary War. It was also the last major land battle in the North American theatre. After General Charles Cornwallis surrendered, the support for the war among British people declined significantly. On the other hand, the surrender boosted American morale.
