Americans can't locate the US in a World Map

Recent polls have shown that a fifth of the Americans can't locate the U.S. in a World Map. Why is this so?

I personally believe that US Americans are unable to do so because, uh, some people out there in our nation don't have maps, and I believe that our education, like such as South Africa and the Iraq, everywhere like such as, and I believe that they should -- our education over here in the US should help the US -- or should help South Africa and should help the Iraq and the Asian countries, so we will be able to build up our future for our children.

the maps in my elementary school still showed koenigsberg as german territory