We lost Davy Crocket.
Of course the USA would never just expropriate property and land, would they?
What is today Mexico, Texas, Arizona, New Mexico, Colorado, Utah, and California were all Spanish colonies.
1822
Mexican colonists, following the American revolution, rebel against Spain and win their own revolutionary war, making Mexico a free nation just like America.
1844
James Polk campaigns for the U.S. presidency, supporting expansion of U.S. territories into Mexico.
February, 1845
James Polk, on his inauguration night, confides to his Secretary of the Navy that a principle objective of his presidency is the acquisition of California, which Mexico had been refusing to sell to the U.S. at any price.
Early 1845
The Washington Union, expressing the position of James Polk, writes: "...who can arrest the torrent that will pour onward to the West? The road to California will be open to us. Who will stay the march...?" "A corps of properly organized volunteers...would invade, overrun, and occupy Mexico. They would enable us not only to take California, but to keep it."
*Early 1845
*John O'Sullivan, editor of the Democratic review writes it is "Our*manifest destiny*to overspread the continent ...for the free development of our yearly multiplying millions."*
Early 1845
James Polk promises Texas he will support moving the historical Texas/Mexico border at the Nueces river 150 miles south to the Rio Grande*provided Texas agrees to join the union. "The traditional border between Texas and Mexico had been the Nueces River...and both the United States and Mexico had recognized that as the border." (Zinn, p. 148)*
June 30, 1845
James Polk orders troops to march south of the traditional Texas/Mexico border into Mexican inhabited territory, causing Mexicans to flee their villages and abandon their crops in terror.*
"Ordering troops to the Rio Grande, into territory inhabited by Mexicans, was clearly a provocation." (Zinn, p. 148)*
"President Polk had incited war by sending American soldiers into what was disputed territory, historically controlled and inhabited by Mexicans." (John Schroeder , "Mr. Polk's War")
Early 1846
Colonel Hitchcock, commander of the 3rd Infantry regiment, writes in his diary: "...the United States are the aggressors....We have not one particle of right to be here....It looks as if the government sent a small force on purpose to bring on a war, so as to have a pretext for taking California and as much of this country as it chooses....My heart is not in this business."
May 9, 1846
President Polk tells his cabinet: "...up to this time...we have heard of no open aggression by the Mexican Army."
May 10, 1846
Violence erupts between Mexican and American troops south of the Nueces River. Of course Polk claims Mexicans had fired the first shot, but in his famous "spot resolutions" congressman Abraham Lincoln repeatedly challenges president Polk to name the exact "spot" where Mexicans first attacked American troops. Polk never met the challenge.*
May 11, 1846
President Polk urges congress to declare war on Mexico.
May 12, 1846
Horace Greeley writes in the New York Tribune: "We can easily defeat the armies of Mexico, slaughter them by thousands, and pursue them perhaps to their capital; we can conquer and "annex" their territory; but what then? Who believes that a score of victories over Mexico, the "annexation" of half of her provinces, will give us more Liberty, a purer Morality, a more prosperous Industry...?*
1846
Congressman Abraham Lincoln, speaking in a session of Congress "...the president unnecessarily and unconstitutionally commenced a war with Mexico....The marching an army into the midst of a peaceful Mexican settlement, frightening the inhabitants away, leaving their growing crops and other property to destruction, to you may appear a perfectly amiable, peaceful, un- provoking procedure; but it does not appear so to us."after war is underway, the American press comments:
https://academic.udayton.edu/race/02rights/guadalu3.htm