What were the political, economic, and social developments in the period between the end of World War I and start of World War II?

Following archduke franz ferdinand's assassination, austro-hungarian leaders: a. aided the ottoman empire in its campaign to keep serbia under its control. b. executed nearly all prominent serbs living in austria-hungary c. threatened to invade serbia if serb leaders did not agree to a set of strict demands. d.. formed an alliance with great britain to protect austria-hungary from future attacks.

Describe the differences of 89 and x is 47

Why did louis xvi call a meeting of the estates-general in 1789? how long had it been since such a meeting had been called?