What led finnins capture at Goliad

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.

At the beginning of the war, why was hitler allowed to continue his aggression without resistance from other european countries

What does the term “escalation” refer to?