Copper axes, chisels, awls, and knife blades have been discovered in several settlements by archaeologists. Copper has been suggested for sickles, blades, chains, clamps, hammers, and axe heads in other places. Saws, goads, awls, axes, and daggers were all made of tin.
<span>Prior to the Mexican American war president Polk sent John Slidell to Mexico to negotiate an agreement between that the Rio Grande River would be the southern border of Texas. ... The United States annexed the territory of California in 1848 following its victory in the Mexican-American War.</span>
Shay's Rebellion hope this helps :)
Texas was claimed after the Spanish war
