What is the name of the enslaved woman who sued the state of Massachusetts concerning the legality of slavery and won?

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.

When conducting research for forming a hypothesis, which practice should historians follow?

Which number shows the location of italy?