Has the division of power between the national government and the states hinderd or advanced democracy

Which of the following inventions most directly allowed ancient farmers to produce a surplus ?

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.

What does munich’s refer to in the 13 days