You mean military allies? It depends on the specific situation, but it is very unlikely. The only time when Mexico and the US had such kind of alliance was during World War Two.
Mexico
United States Verses Mexico.
The US probably became allies with South Vietnam in 1961.
The main allies of the US in World War 1 were Britain, France, and Canada. Mexico refused to join because of tensions over the US occupation of Veracruz, Mexico.
Germany tried keeping the US out of the war in England by bribing Mexico with states like Arizona, New Mexico, and Texas, which were former Mexican Territories. Germany knew that when the US joined the allies that they would in sense "clean house." In 1917, when the US joined the Allies, the allies forced Germany and Austria-Hungary to give up.
they both hated germany
it is Mexico
No, New Mexico became the 47th US State.
france england canada australia south africa mexico andsouth america a little
Mexico was part of the Allies and about 15,000 of them joined the US military and mainly fighted sgainst Germany or Japan.
Mexico is an independent country. It is not a state of US. It has nothing to do with the US. It is outside the United State's jurisdiction. Only New Mexico is in the US. It was admitted as the 47th state in 1912.
Dec 1941