The "Bonus Army" was the name given to a large group of World War I veterans who marched on Washington to demand that their "service certificates" be repaid to them in cash, since the Great Depression had left many without employment.
The Judicial Branch, or the federal court system, interprets the law.
Two of the most significant totalitarian governments that existed following WWI were in Hitler's Germany and Mussolini's Italy, since both of these governments were "fascist" and were 2/3 of the "Axis" powers during World War II.
Mahmud ll was the sultan during that time.