From my knowledge, while the Czecho-Slovak government was crumbling he demanded the land that had significant German populations. When the government was very brittle he forcibly annexed the Czech Republic Puppeting Slovakia. Essentially taking all of the former Czech-Slovakian Union. Then his evil gaze began looking at Poland.
Hope this helps Comrade, if you need any more details or more specific one just leave it in the comments
Their proposal specified the process by which a president could be declared "unable to discharge the powers and duties of his office", thereby making the vice president an acting president, and how the president could regain the powers of his office.