If you are ignorant it is not on everyone else to bring you upto speed. There have been several articles on this already. Here is something you should try. Next

If you are ignorant it is not on everyone else to bring you upto speed. There have been several articles on this already. Here is something you should try. Next time, goto a tourist hotspot such as Iceland or Venice and ask the locals there - which country citizens do they like the most. And they will tell you straight.