Okay, the user wants me to translate "united mexican states" into Thai. Let me check if the original text is already in Thai. No, it's in English. So I need to translate it.
First, I should confirm the correct Thai translation for "United Mexican States." The official name of Mexico is "สหภาพเม็กซิโก" (Sahapai Mekhiko) or sometimes "รัฐเม็กซิโก" (Rat Mekhiko). However, "United Mexican States" is the official name used in some contexts, like in the Mexican Constitution. The standard translation would be "สหภาพรัฐเม็กซิโก" (Sahapai Rat Mekhiko), which literally means "United States of Mexico."
Wait, but sometimes it's translated as "สหภาพเม็กซิโก" without "รัฐ" (states), but I think including "รัฐ" is more accurate here because the original term is "United Mexican States." Let me double-check. Yes, the official translation used by the Mexican government is "สหภาพรัฐเม็กซิโก."
So the correct translation should be "สหภาพรัฐเม็กซิโก." I need to make sure there are no typos and that it's the standard form. Also, the user specified to provide only the translation without any explanations, so I'll just output the Thai text.