The correct answer is: the participation of the French Armed Forces.
The Battle or Siege of Yorktown took place in 1781, during the American Revolutionary War. It was a victory won by the revolutionary Americans leaded by George Washington who counted with the assistance of the French armed forces leaded by Comte de Rochambeau, over the British who were under the command of General Cornwallis. This victory was important as it enhanced the morale of both the Americans and the French.
Light bulbs were the power source used in factories during the industrialization
Unhygienic conditions, dehydration, dysentery
<span> B. created a vast system of coastal and mountain roads to link its empire hope this helps</span>
