What ended the use of the Santa Fe Trail?

im pretty sure its Treaty of Guadalupe Hidalgo

Explanation:

cause this is the treaty that ended the war, so it eventually faded into history

i hope this helps <3

in 1897, pershing became a tactical officer at west point, and that's where he was given the nickname "black jack." pershing's first name is "john," for which "jack" is a nickname, and he was a white man who commanded black troops. hence "black jack".

i think they came to washington to protest