Napoleon crowned himself emperor in 1804.
The first 3 articles of the Constitution establish the 3 branches of government with specific powers. Executive (headed by the president), Legislative (Congress), and Judicial (Supreme Court)
Article 1 - created the Legislative branch
Article 2 - created the Executive branch
Article 3 - created the Judicial branch
One of the most important legacies that World War I left behind was the idea of "total war," since up until WWI civilians and private homes were considered "off limits" in terms of targets.
If a gov court senences someone to death it is a legitimate use of power.