Translation of proliferación

Teachers prefer simpler methods to teach Spanish. I will do this with Mr. Meier at our meeting in Zurich (as discussed in March). Where do you live in Basel? Do you live with family or friends?
I've never been to America, but I wanna fly to New York in the end of this year, maybe go to Washington and possibly to LA. It would be nice one months to learn English there. I started to learn now.
Where do you come from originally and how long have you been living in America? My week was very long. And how was your week? I do not know how to describe my life as I never had a writing pal.