How did port-world war 1 treaties affect national borders in Europe and Asia

The correct answer is D) Austria and Hungary became two states, with considerably less territory than before the war.

Post-World War I treaties affected national borders in Europe and Asia in that Austria and Hungary became two states, with considerably less territory than before the war.

It was on November 3, 1918, after the Battle of Vittorio Veneto, that many provinces that were part of the Austria-Hungary empire, decide to leave and declared their independence. Czechoslovakia declared its independence from the empire on October 28, 1918. Hungary left on October 31st. That was the end of the Austria-Hungary Empire.

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