You must move to Mexico with your spouse and live there for two years with an immigrant visa, then you can apply for Mexican citizenship. You can have both a Mexican and a US passport and be a dual citizen. If you were not married to a Mexican citizen, you would have to live there for four years.
No. Neither will automatically become citizen of the other country.
Marrying a Mexican citizen does not automatically grant you Mexican citizenship. However, it can potentially make you eligible to apply for Mexican citizenship after meeting certain requirements, such as residing in Mexico for a certain period of time. The process would involve submitting an application and fulfilling other necessary criteria set by Mexican immigration laws.
No, Mexican citizens can't get divorced in California if they were married in Mexico. One of the parties would need to be an American citizen.
yes
No. Immigrants must fulfill certain requirements to become Mexican nationals.
You mean to apply for Mexican citizenship? Or just marrying? Either way, yes you can, but several legal requirements need to be fulfilled beforehand. See the related links for further information.
No, a Mexican citizen cannot travel to Mexico without a passport.
Most foreigners can obtain a Mexican passport if they move to Mexico with an immigrant visa and live there for four years (2 years if married to a Mexican citizen). Then one can apply for Mexican citizenship and passport.
"Mexican" is a nationality-- a Mexican is a citizen of Mexico.
Yes, you need a Mexican passport to travel to Mexico if you are not a Mexican citizen.
No.