A) Direct Democracy
Explanation:
The important part of the question is that all citizens are required to vote (we can understand: in person), as opposed to only some citizens voting (this is the case when the congress votes: only some people vote on laws, and they represent the wider community).
This situation when all people vote personally and are not represented is called a direct democracy.
All of the following developments in Germany during the 1930s (the construction of fortifications along the Rhine River, the annexation of Austria, and the resumption of the military draft to create a large army) were violations of the Treaty of Versailles, except D) the return of the Saarland to German control.
Answer:
A. to gain equal trade rights for American commerce in China
Explanation: