Why do I have to know about foreign country?

I found a great clip form TED to answer it.
http://www.ted.com/talks/james_stavridis_how_nato_s_supreme_commander_thinks_about_global_security.html
As he says, we have to build a bridge and connect each other rather than building a wall to create a security.
So, to build a bridge, we have to know each other's culture.
So why don't you learn about Korea?
These days, there are so much misstated information between Korea, China, and Japan.
I would be loved to fix it. Don't you want to get fixed information?
Join it and let's devote to the world peace!!