What major event shocked the american people and led wilson to no longer call for peace?

Which of the following is one example of an ideological conflict that became one of the causes of world war ii?

Which events are correlated but do not necessarily have a causal relationship?

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.