Respuesta :

ellelikesplants

Answer:

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

jaylachance36
After the Treaty of Guadalupe Hidalgo ended the war in 1848, the Santa Fe Trail became a national road connecting the more settled parts of the United States to the new southwest territories. ... Then, in February 1880, the railroad reached Santa Fe, and the trail faded into history