This puzzle belongs to the puzzle series: A-Countries-Journey.
This is part 2.
You've been found by the LNU, whoever he is.
He gives you what looks like a standardized test, along with instructions:
This paper is worthless. The LNU is the answer. BEHOLD:
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...
Look upon all I have done. I am a necessity, yet thee think I am worthless. BEHOLD MY POWER!
Wow, he seems busy. Maybe best not to disturb him until you have his name.
An intercom comes on, and the LNU gives a final warning: "my favorite color is blue, and be good, child, alright?"
Fine. You'll be better.
Who is the LNU?
PS: The answer to the last question in the series was:
France masquerading as Illyria, the country in a Shakespearean play.
PSS: Outside links ARE VERY IMPORTANT to this puzzle series in general.
HINT ONE:
Illyria comes up to you. "Quoi? This was supposed to be the easiest parte de your testing! No matter, maybe OTAN might help toi. America has SOME logique..."
HINT TWO:
Illyria, AKA France, is one of the few to call him NU or LNU.