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The world is getting smaller — and at this point in time, you really should know the difference between Guinea and Guinea Bissau.

It won’t show up on a test, but armed with some basic geography and a wee bit of world history, you’ll find it a lot easier to make sense of this big blue ball we call home. And there’s this: You could also lend a hand to your elementary school kid.

Let’s take a tour of the world, and see how well you know your way around.