I may be wrong but i read that if the annual nile floods were to low it could cause drought and they would starve.
They were expected to focus only on their homes and families.
Answer:
It was a pan-Slavic nationalism that inspired the assassination of Archduke Franz Ferdinand in Sarajevo in June 1914, Nationalism was an intense form of patriotism which became the a new phenomenon for Germany by emerging from the unification of Germany in 1871.