If a source is trustworthy and likely to be correct, it is ?

1: how did the rise of rulers with total power in europe and asia lead to world war 2?

Who was the democratic nominee for president in the election of 1868? a) ulysses s. grant b) horatio seymour c) samuel tilden d) charles sumner

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.