Question

Which country at the Paris Peace Conference lost a significant number

of their adult male populations?

Answer 1

Correct answer is Austria-Hungary.

Step-by-step explanation:

After WW1 Austria-Hungary was dissolved and many new countries were created on its soil, including Austria, Hungary, Kingdom of Serbs, Croats and Slovenes.

As the Empire was dissolved it lost most of its territory, and Austria can be considered as its legal continuation.