Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Czechoslovakia:

This text has been unreferenced on Wikipedia for a very long time. If you can't find a source, be bold and remove it!

"

The new country was a multi-ethnic state, with Czechs and Slovaks as constituent peoples. The population consisted of Czechs (51%), Slovaks (16%), Germans (22%), Hungarians (5%) and Rusyns (4%).[1] Many of the Germans, Hungarians, Ruthenians and Poles[2] and some Slovaks, felt oppressed because the political elite did not generally allow political autonomy for minority ethnic groups.[citation needed] This policy led to unrest among the non-Czech population, particularly in German-speaking Sudetenland, which initially had proclaimed itself part of the Republic of German-Austria in accordance with the self-determination principle.