Mexico and the United States.
The United States and Mexico.
No, there were no mexican slaves during the war. There is no history book in the world that states that a mexican was enslaved and forced to work for an american.
James Polk
The Mexican Army was defeated and the Treaty of Guadalupe Hidalgo awarded the former Mexican States of Alta California and Nuevo Mexico to the United States.
The former Mexican States of Alta California and Nuevo Mexico became a part of the US land area as provided in the Treaty of Guadalupe Hidalgo.
Zachary Taylor became an American Hero because of the Mexican American War which led to his election as President of the United States.
They called American troops "Gringos"
Santa Anna.
Yes, this promise was relayed through the Zimmerman Telegram.
It wasn't sold: it was lost to the United States during the Mexican-American War (1846 - 1848).
Germany sent a telegram to Mexico to become and allies and Germany would help Mexico get back what the United States took from them during the Mexican-American War. The United States took Texas, New Mexico, and Arizona from them during the Mexican-American War.