i got my high school diploma on 2014 , then i went to 2 another countries from 2014 to 2017 (eastern europe) to study but i wasnt satisfied with the level of the education , it wasnt what i expected so i stopped and i went home and work with my father in his own project coz he needed my help and in 2019 i studied one year ( professionel course of informatique ) , my question is : should i mention all of this in my explanatory letter ? the fact that i went to 2 countries in eastern europe and then i went home because i wasnt satisfied can be a problem for my study application ? should i be very honest in my explanatory letter or i just say that i study one year professionel course of informatique ? i really appreciate your answer