Explain what issue led to General Cornwallis's surrender at the Battle of Yorktown.
A
The Marquis de Lafayette had trained Washington's men through the winter at
Valley Forge.
B
The French fleet had arrived and cut off Cornwallis's escape to the sea.
с
Cornwallis had been under siege and was running out of food and clean drinking
water.
D
Bernardo de Galvez had successfully defended the Mississippi River from the
British.