No; just the passport will suffice.
No; you also need a visa issued by the US government.
Yes, you need a Mexican passport to travel to Mexico if you are not a Mexican citizen.
Yes, you need a Mexican passport to travel to Mexico.
Your question is a bit misleading, but yes you could travel from the US to the Dominican Republic with a Mexican passport. In fact many people need to make such kind of connections as Mexico doesn't have direct flights with many countries; one instance would be Portugal: Mexican tourists have to fly to the US, Spain or the Netherlands to reach Portugal.
If you are not a citizen of the EU you need a passport to enter Spain.
No. You need you passport.
Yes, children need a passport to enter Canada.
Only if you are Mexican.
Absolutely !
Yes, you will need a passport at each end of the journey.
no all you need is just your country passport
To apply for a Mexican passport, you will need the following documents: a birth certificate, a valid photo ID, proof of Mexican citizenship, a completed application form, and two passport-sized photos.