What was the personal relationship that was developed between Itzhak Stern and Schindler?

The inventor cocreated the film fred arts sneeze which was one of the first american movies

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 has been a long term effect on the panama canal