Answer:
Use tú for informal situations such as with a friend, children, young people, people you know very well. Use usted (Ud.) for formal situations such as in a job interview, in a bank, with elderly people, with someone you don't know or you have just met
Explanation:
Maybe, new mexico, california and texas, I saw it in a survey in 2015.
Nuevo Mexico
California/Californio
Texas
Right hand = derecho
left hand = izquierda
I don’t know if this is what you’re looking for but I hope it helps in some way-
