St. Louis Missouri, because back in the early 1800's when the Oregon territory and Mexican cession territory were relatively new, St. Louis offered several trails leading to new states like Oregon, California, and Arizona
St. Louis, Missouri
Calgary, Alberta
St. Louis, Missouri, the home of the Rams.
St Louis, Missouri is known as the "Gateway to the West" and is home to the Gateway Arch landmark.
Missouri
St. Louis, Missouri.
Gateway to the west
Mississppi River
The Gateway Arch is called so because it symbolizes St. Louis as the "Gateway to the West." It commemorates the role the city played in the westward expansion of the United States, as it was a starting point for pioneers and settlers during the 19th century. Additionally, the arch serves as a prominent landmark representing this historical significance.
Vancouver
Well its called the Gateway Arch and St. Louis is the Gateway to the West theres your answer hope its useful!
the ohio river