HELPP, which region was often called the breadbasket region ?!

Which of the following individuals is promoting the idea of nationalism?

Why did jefferson make the louisiana purchase?

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.