In july, 1945, why was the potsdam conference held? how were the soviets demands met by mr. truman?

One central theme of phillis wheatley's "on being brought from africa to america" is that

I’m annoyed but glad that my history teacher left and quit her job as a teacher to become a flight attendant

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.