A. It challenged the Kings authority.
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.
As more people came to trade, the more wealth the city gained. So in general, as the number of trades increased, more and more people arrived at the city making it wealthy and strong in population.
