Final answer:
Poland, Czechoslovakia, and Yugoslavia are some of the new nations that emerged from the Austro-Hungarian Empire.
Step-by-step explanation:
After the collapse of the Austro-Hungarian Empire, several new nations emerged. Some of the new nations created included:
- Poland: A new Polish nation was carved out of territory in the German Empire's eastern side and land relinquished by Russia.
- Czechoslovakia: The nation of Czechoslovakia was formed, which included the Czechs and Slovaks.
- Yugoslavia: The country of Yugoslavia was created, which encompassed various Slavic groups including Serbs, Croats, Bosnians, and Montenegrins.