It would be the 3rd one, hacia
More info is needed in order to answer, is this from a video or something like that
Where do you think this myth comes from?
This myth comes from Mexico because most of people think they cross the border illegally.
Who benefits from this myth?
USA
Why is this myth untrue?
Because there are a lot of people from around the world coming to USA legally with VISA and papers.
* A mí - ME GUSTA - estudiar mucho en la escuela (it's a lie hahahah)