One of the main reasons why a historian would use a primary source when studying a historical event is because "<span>C. Primary sources are created by people who actually experienced the event", and they can also be things that happened to be "around" at a certain time. </span>
The answer to your question is the grange. I hope I was a help!
The second choice mentioned above exposed the element that caused the British to surrender at Yorktown George. The troops of Washington outnumbered the British soldiers by two to one, referring to August 27-29, 1776. The army was defeated completely, and that is the main factor.
The Chinese attempted to block its influence by building the great wall.
The northwest ordinance of 1787 established a model for later settlement by providing for the availability of a massive amount of undeveloped land in what was considered to be the Northwest United States at the time.