Which statement best summarizes the fall of the Austro-Hungarian Empire
following World War 1?

ok since your givng me the answer i just tell you what i found on flipping wikipeida

The reason for the collapse of the state was World War I, the 1918 crop failure and the economic crisis. ... Legally, the collapse of the empire was formalized in the Treaty of Saint-Germain-en-Laye with Austria, which also acted as a peace treaty after the First World War, and in the Treaty of Trianon with Hungary.

D

Explanation:

Cause i did research

by creating a labor shortage that pushed the continent toward a market economy