Answer: The Battle of Gettysburg fought on July 1–3, 1863, was the turning point of the Civil War for one main reason: Robert E. Lee's plan to invade the North and force an immediate end to the war failed.
It allowed them to more openly trade goods with other states but if you are referring to late 19th century as in the part of it with the civil war in it then it allowed them to largely influence the transport of military goods
Answer:
Lee Harvey Oswald assassinated Kennedy (thank you Umbrella Academy)
The Embargo Act of 1807 was a law passed by the United State Congress and signed by President Thomas Jefferson on December 22, 1807. It prohibited American ships from trading in all foreign ports.