A is correct because germany was blamed for WW1 and they had to pay large amounts due to the treaty and it started theyre anger
All are tied up to a revolution that provided the lower class people new grounds to stand on. In the mist of the revolutions a sense of national pride is common place.
The immediate cause for World War 1 was the assassination of the Archduke Franz Ferdinand of Austria and his pregnant wife Sophie. Archduke Franz Ferdinand of Austria was the nephew of Emperor Franz Josef and heir to the throne of Austria and Hungary.