You have 5 friends (You are the 6th. AND YES, 6!! CANADA IS PART OF THE ALLIESS!!!)? Allied Forces!

Have 2 friends (You are the 3rd.)? Axis Powers!

Have 2 friends (You are the 3rd.)? Baltics!

Have 4 friends (You are the 5th)? Nordics!

And you know the rest, and I'm lazy!