WolfCam's Geography Challenge #6

Answer the questions to find the answers, then name what they all have in common. Comment the answer and explanation in the comments
Solvers of other challenges Scambigol (2), Flabberbapper, Joez (2), Kempo
Congratulations to Scambigol for solving this one.
Quiz by WolfCam
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Last updated: November 4, 2017
First submittedOctober 25, 2017
Times taken63
Average score75.0%
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Hint
Answer
Second Smallest Continent
Europe
Biggest Economy in Europe
Germany
Capital of Sweden
Stockholm
Had a revolution lead by Robespierre
France
Most populous U.S State
California
Biggest City completely in Europe
Moscow
State home to Graceland
Tennessee
What they all have in Common
Correct!
+1
Level 70
Oct 25, 2017
So, is "What they all have in Common" a location? Or is it the correlation all the answers have?
+1
Level 64
Oct 25, 2017
The Correlation
+1
Level 75
Oct 26, 2017
got it! could add earth and moon, too ;)
+1
Level 64
Oct 29, 2017
Correct!!
+1
Level 86
Jan 8, 2020
Got it.