Answer:
By making the first world war they united states became war power?
Explanation:
A one-party system, since a dictator is usually one single person/group.
It would have concentrated power in the executive branch of the government is the correct answer.
The general opposition to Franklin Roosevelt's Judicial Reform Bill was based on the grounds that it would concentrate power in the executive branch and would inappropriately shift the balance of power in the three branches of government.