Which states immediatley seceded from the union after abraham lincoln was elected president

What is the purpose of the system of checks and balances

In a command economy, people are not free toa buy consumer goods.b work in factories.c make production or monetary choices.d receive an education.

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.