The Inner Six

Good luck with today's mentalfloss.com Brain Game Think Thursday challenge, which may be a bit tougher than it sounds.
Name at least THREE of the SIX
founding members of the European Union,
collectively known as the "Inner Six."
Here are the ANSWERS.
ANSWERS:
BELGIUM, FRANCE, ITALY, LUXEMBOURG, THE NETHERLANDS, and WEST GERMANY.
Thanks for playing! Tomorrow it's Free-for-All Friday.
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