Who was most responsible for the victory at yorktown? general cornwallis british government unofficial colonial groups french armed forces british armed forces

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.

the answer to your question is a. the salt plains

in 1811, he led an expedition, known as the george c. sibley expedition, to improve relations with the pawnee and kansa tribes, and also to locate the rumored jefferson's salt mountain