What is the significance of the Battle of Yorktown?

The outcome in Yorktown, Virginia marked the conclusion of the last major battle of the American Revolution and the start of a new nation's independence. It also cemented Washington's reputation as a great leader and eventual election as first president of the United States.

answer; /// the answer to the first question is (b) it began when people first deliberately seeds; /// and (d); // it gave people a steady food supple for the first time;

the answer is a quran