Linked from
The 38 pages that link to Treaty of Guadalupe Hidalgo, each with the reason it gives.
Mexican CessionBroader topic: Its terms formally transferred the cession to the United States.
James K. PolkBroader topic: It formalized the principal territorial gains of Polk’s war.
Rio GrandeRelated: It established the river as much of the new international boundary.
New MexicoRelated: Its terms formalized U.S. sovereignty over New Mexico.
San DiegoRelated: The treaty established the international boundary that now runs south of the city.
History of MexicoRelated: It redrew Mexico's northern border and sharply reduced its territory.
Nuevo LeónRelated: The treaty fixed the international boundary near Nuevo León’s northern edge.
CoahuilaRelated: Its settlement fixed the international boundary near Coahuila’s northern edge.
History of New MexicoRelated: It placed New Mexico under U.S. control after the war.
History of TexasRelated: Its terms fixed Texas’s southern border after years of competing claims.