Answer: A. British Imperialism
Explanation:
British imperialism is one of the many influences that helped to shape United States government documents, such as the Declaration of Independence and the Constitution. The king of England ruled America for approximately 150 years
The Battle of Antietam
The Battle of Antietam, also called the Battle of Sharpsburg, occurred on September 17, 1862, at Antietam Creek near Sharpsburg, Maryland. It pitted Confederate General Robert E. Lee’s Army of Northern Virginia against Union General George McClellan’s Army of the Potomac and was the culmination of Lee’s attempt to invade the north. The battle’s outcome would be vital to shaping America’s future, and it remains the deadliest one-day battle in all of American military history.
The answer for your question is 1666 Kilometers
A primary source is someone who was there at the time the event happioned or an artifact from that time line
secendairy source (sry 4 my bad spelling) is something from after the event or writen from after the event