Answer:
Step-by-step explanation:
The question is probably related with the World War I aftermath and territorial gains, otherwise the answer will be very long, so, the answer is as fallows:
Austria gained Burgenland from Hungary;
Belgium gained Eupen-Malmedy from Germany;
Denmark gained Nordschleswig from Germany;
France gained Alsace-Lorraine from Germany;
Greece gained Western Thrace from Bulgaria;
Italy gained South Tyrol, Trieste, Istria peninsula and Zadar from the Austro-Hungarian Empire;
Romania gained Transilvania, parts of Banat, Crișana and Maramureș from the Kingdom of Hungary, parts Bukovina from the Austrian Empire.