Answer:
Gold and other precious natural metals; silver and copper.
Explanation:
The Treaty of Guadalupe Hidalgo ended the U.S.-Mexican<span> War. </span>Signed<span> on </span>2 February 1848<span>, it is the oldest treaty still in force between the ... basic form it called for the cession of Alta and Baja </span>California <span>and </span>New Mexico<span>, the right of transit across the Tehuantepec isthmus, and the </span>Rio Grande<span> as the southern </span>border<span> of </span>Texas<span>.</span>
